Who was the Viceroy of India, when the Rowlatt Act was passed?
b.
Lord Chelmsford
Correct Answer
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The Rowlatt Act was passed in 1919, when Lord Chelmsford was the Viceroy of India. Lord Irwin came later.
Which one of the following is the softest?
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Among the given metals, sodium is the softest. It is an alkali metal with very low hardness and can be cut easily with a knife.
As a non-member who can participate in the proceedings of either House of Parliament?
c.
Attorney General
Correct Answer
d.
Chief Election Commissioner
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The Attorney General of India is a non-member who has the right to participate in the proceedings of either House of Parliament, though without voting rights.
Which is the river on which Indira Sagar Dam is planned to be constructed?
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The Indira Sagar Dam is built on the Narmada River in Madhya Pradesh.
The first astronomer who gave the idea, 'The earth rotates on its axis', is
b.
Aryabhatta
Correct Answer
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Aryabhatta is credited with the early idea that the Earth rotates on its axis.
Which one of the following angles cannot be constructed using an unmarked ruler and compass only?
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Angles like 90°, 75°, and 22.5° can be constructed using standard geometric constructions, but 50° cannot be constructed exactly with only an unmarked ruler and compass.
For a frequency polygon, the points are plotted against
a.
mid-point of the class interval vs frequency
Correct Answer
b.
lower limit of the class interval vs frequency
c.
upper limit of the class interval vs frequency
d.
real limit of the class interval vs frequency
Step-by-Step AI Explanation
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A frequency polygon is drawn by plotting class mid-points on the x-axis against their frequencies on the y-axis.
AICTE was established in
c.
November, 1985
Correct Answer
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AICTE was established in November 1985.
One of the main publications of John Dewey is
b.
Education Today
Correct Answer
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Education Today is associated with John Dewey among the given options. The Social Contract is by Rousseau, not Dewey.
According to David Ausubel, 'Verbal Learning' is
a.
learning a new language
c.
understanding verbal information
Correct Answer
d.
passive learning experience
Step-by-Step AI Explanation
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Ausubel's verbal learning refers to meaningful learning of verbal information, not mere repetition or passive exposure.
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The Southern Regional Office of UGC is in
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National Population Policy was evolved in the year
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According to Abraham Maslow, 'Self-Actualisation' in the hierarchy is
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Who is the author of 'Emile'?
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The university that has no affiliated colleges is
b.
Madurai Kamaraj University
c.
Thanjavur Tamil University
d.
Manonmanium Sundaranar University
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Human Rights Day is
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Which one of the following models is not on curriculum development?
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The chief objective of pre-primary education is to promote .................. of the child.
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If the teacher finds in learner's activities something new or original, then the child is supposed to be
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Which one of the following is not a learning domain?
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An example of anthraquinone dye is
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Among the following which one is not the correct match?
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Acid rain water contains
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The common name of this compound is $\mathrm{(CH_3C=NOH)_2}$
a.
Methyl carboxhydroxide
b.
Dimethyl carbene hydroxide
c.
N-hydroxy 1 methyl ethane
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The common name of this compound is
b.
Dimethyl carbene hydroxide
c.
N-hydroxy 1 methyl ethane
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In human body, carbohydrates are stored as
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Riboflavin is an example for
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For obtaining golden yellow spangles which reagent is used on a lead salt?
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What is the enthalpy change for the reaction $\mathrm{H_2 + I_2 \rightarrow 2HI}$ if the bond energies of H–H, I–I and H–I are 433, 151 and 299 kJ mol$^{-1}$ respectively?
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Selection rule of rotational spectrum expects transitions between rotational energy levels $(J)$, where
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The acid radicals mainly responsible for increasing BOD levels are
a.
Sulphates and bicarbonates
b.
Carbonates and bisulphites
c.
Nitrates and phosphates
d.
Thiosulphates and fluorides
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The $R_f$ factor if in thin layer chromatography the solvent front moves to 5.4 cm and solution front moves to 0.9 cm, is
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Mutarotation does not occur in
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Nessler's reagent contains
a.
tri-iodomercurate (II)
b.
tetraiodomercurate (II)
c.
tri-iodomercury nitrate (I)
d.
tetraiodomercury nitrate (I)
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$\alpha$-glucose and $\beta$-glucose differ in the orientation of the -OH group at carbon,
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BHC is sparingly soluble in .................. solvent.
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Observe $\Delta H$ and $\Delta S$ values of the following processes and choose which one will not proceed spontaneously?
a.
$\Delta H$ = positive and $\Delta S$ = 0
b.
$\Delta H$ = negative and $\Delta S$ = negative
c.
$\Delta H$ = positive and $\Delta S$ = negative
d.
$\Delta H$ = negative and $\Delta S$ = positive
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Lanthanide contraction is observed in
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The number of possible alkynes with molecular formula $C_5H_8$ is
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The group with $-I$ effect is
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Phenol is less acidic than which of the following?
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The first order rate constant $k$ is related to temperature (kelvin) as $\log k = 15.0 - \frac{10^6}{T}$. Then the values of Arrhenius frequency factor $A$ and energy of activation $E_a$ are
a.
$A = 10^{15};\ E_a = 1.9 \times 10^4\ \text{kJ}$
b.
$A = 10^{-15};\ E_a = 40\ \text{kJ}$
c.
$A = 10^{15};\ E_a = 40\ \text{kJ}$
d.
$A = 10^{-15};\ E_a = 1.9 \times 10^4\ \text{kJ}$
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How many fundamental modes of vibration are possible in water molecule?
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Two moles of an ideal gas expand isothermally and reversibly from 1 litre to 10 litres at 27°C. The enthalpy change in this process is
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The number of nodal planes, a 4d orbital has is
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Match List I correctly with List II and select your answer using the codes given below:
List I
Substrate
a) Aliphatic primary amine
b) Aromatic primary amine
c) Aliphatic secondary amine
d) Aromatic tertiary amine
List II
Product on treatment with HNO$_2$
1. p-nitroso compound
2. N-nitroso compound
3. alcohol + N$_2$
4. diazonium salt
Codes:
a b c d
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Maximum number of unpaired $d$-electrons are present in
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The spin magnetic moment of cobalt in Hg$[\mathrm{Co}(\mathrm{SCN})_4]$ is
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Propene undergoes electrophilic addition with HBr, but not with HCN because
a.
$\mathrm{Br}^-$ is better nucleophile than $\mathrm{CN}^-$
b.
HBr is stronger acid than HCN
c.
HCN attacks preferentially through lone pair of nitrogen
d.
$\mathrm{C-Br}$ bond is stronger than $\mathrm{C-CN}$ bond
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Both $sp$ and $sp^2$ hybridisations are present in
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Geometrical isomerism is shown by
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Hydrogen shows negative Joule-Thomson effect at room temperature because
a.
it is the smallest molecule
b.
it is the lightest gas
d.
it has very low inversion temperature
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Which of the following can be the units for cell constant of a conductivity cell?
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The shape of a graph with atomic number of elements against electronegativity of elements is given in the diagram. Identify P, Q, R and S.
a.
P = H; Q = F; R = Cl; S = Br
b.
P = He; Q = Ne; R = Ar; S = Kr
c.
P = Li; Q = Na; R = K; S = Rb
d.
P = Li; Q = Be; R = B; S = C
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Which is not correct about $K_3[Co(NO_2)_6]$?
b.
The complex is derived from Co2+
c.
$d^2sp^3$ hybridisation is involved
d.
Charge on coordination sphere is - 3.
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Both morphine and heroin have the same molecular structure, except, morphine has
a.
methyl group in the place of acetyl group in heroin
b.
methoxy group in the place of hydroxyl group in heroin
c.
hydroxyl group in the place of CH3COO group in heroin
d.
acetyl group in the place of hydroxyl group in heroin
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DDT is prepared by the reaction of chlorobenzene with
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Among the following which is sulphadiazine?
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The sequence arranged in decreasing magnitude of crystal lattice energy is
a.
NaBr > NaCl > NaF > NaI
b.
NaCl > NaI > NaF > NaBr
c.
NaI > NaBr > NaCl > NaF
d.
NaF > NaCl > NaBr > NaI
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Choose the correct order of increasing bond lengths:
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The efficiency of Carnot heat engine working between 273°C and 546°C is
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Water gas is a mixture of
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The general formula for energy of a rigid rotor with rotational quantum number J is
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The energy profile for a hypothetical reaction is given in the graph. The mechanism for the reaction is:
Step 1: A + B → C
Step 2: C + B → D
Step 3: D + A → F
Overall 2A + 2B → F
Which is true about the system?
a.
Step 3 is the fastest step
b.
A catalyst would affect the potential energy of each step equally
c.
The rate law is rate = k[A][B]^2
d.
The rate law is rate = k[A]^2[B]^2
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Four litres of a gas are contained under a pressure of 1140 mm/Hg and a temperature of 273°C. The volume of this gas (in litres) at S.T.P. will be
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The binding energy of the $^4_2$He nucleus from the following data is
b.
0.03040 × 3.0 × 10^10 MeV
d.
0.03040 × 6.02 × 10^23 MeV
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Which one of the following is an anti-knock compound of petrol?
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To what total volume must 20.0 mL of 0.1 M HCl be diluted with water, so that the pH of the solution becomes 1.3?
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Which of the following is not an interfering anion?
c.
$\mathrm{C_2O_4^{2-}}$
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The percentage of nitrogen in urea is
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An organic compound P on reduction gives compound Q which on reaction with chloroform and potassium hydroxide gives R. The compound R on catalytic reduction gives N-methyl aniline. P is
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Which base is present in RNA but not in DNA?
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The following compound is used as what type of medicine?
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Equal weights of radioactive substances X and Y with half-life 5 hours and 1 hour respectively are taken separately. At what time will the weight of X be four times that of Y?
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Which vitamin is 1,4-naphthaquinone derivative?
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A person is hurt on kicking a stone due to
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Which of the following harbours is not a natural harbour?
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Recently one Indian cricket player has become the Sixth Batsman to score 10,000 runs in Test Cricket. The name of the player is
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The battle of Wandiwash was fought between
a.
Marathas and Portuguese
b.
the English and the French
c.
the English and Portuguese
d.
Marathas and the English
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Linear programming is designed by
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Which of the following first identified the Secondary Education as a weak link and suggested improvement?
a.
The Tarachand Committee (1948)
b.
The Secondary Education Commission (1954)
c.
The University Education Commission (1949)
d.
The Education Commission (1966)
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Intelligence test scores are reasonably stable after the age of
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Which one is not an S-R theory with reinforcement?
a.
E. L. Thorndike's theory
c.
B. F. Skinner's theory
d.
Tolman's theory of learning
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The emphasis of National Board for Adult Education on Curriculum is that it must be
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World First Aid Day is
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For the following scores 10, 11, 13, 10, 15, 17, 18, 15, 10 the value of mode is
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Educational Technology means
a.
Technology in Education
b.
Technology of Education
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Which one of the following is not a cause for forgetting?
a.
When something learned and not used repeatedly
b.
Interference with present learning
c.
Lack of reorganisation of the learning material
d.
Learning on the basis of short-term remembrance
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When the reason for acting is in the action, motivation is said to be
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National Integration Day is
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The importance of Teacher Education was first emphasized by
c.
Calcutta University Commission
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Taxonomy of educational objectives was first developed by
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SSA is established for achievement of
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Whose philosophy is characterised as 'Naturalistic in its setting, Idealistic in its aim and Pragmatic in its method and Programme of work'?
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Multi-factor theory of Intelligence was developed by
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Benzocaine is a/an
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Presently used antacid is
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What is the enthalpy of OH$^-$ ions if the enthalpy of formation of H$_2$O is $-284.5\ \text{kJ mol}^{-1}$?
a.
$-341.8\ \text{kJ mol}^{-1}$
b.
$-227.2\ \text{kJ mol}^{-1}$
c.
$-57.3\ \text{kJ mol}^{-1}$
d.
$-34.8\ \text{kJ mol}^{-1}$
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What is the enthalpy of OH− ions if the enthalpy of formation of H2O is −284.5 kJ mol−1?
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On dilution of the electrolyte, what happens to equivalent conductance?
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$\Delta C_p = \dfrac{\Delta H_2 - \Delta H_1}{T_2 - T_1}$, this equation is known as
b.
Gibbs-Helmholtz equation
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Sodalime glass is made from which of the following?
a.
Mixture of sodium silicates
b.
Sodium carbonate and silica
c.
Sodium tartrate and limestone
d.
Sodium amalgam and quicklime
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Carrier gases used in gas chromatography are
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The mathematical equation for Beer-Lambert's law is
a.
$A = \log\dfrac{I_0}{I}$
b.
$\varepsilon = \log\dfrac{I_0}{I}$
c.
$A = \log\dfrac{I}{I_0}$
d.
$\varepsilon = \log\dfrac{I}{I_0}$
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In qualitative analysis, the cation that precipitates as its sulphide when H2S is passed through alkaline salt solution is
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The reaction $2\,\mathrm{NO(g)} + \mathrm{Cl_2(g)} \to 2\,\mathrm{NOCl(g)}$ has the rate law $\text{Rate} = k[\mathrm{NO}]^2[\mathrm{Cl_2}]$. The possible mechanism is
a.
i) $2\,\mathrm{NO} \rightleftharpoons \mathrm{N_2O_2}$ (slow equilibrium)
ii) $\mathrm{N_2O_2} + \mathrm{Cl_2} \to 2\,\mathrm{NOCl}$ (fast)
b.
i) $2\,\mathrm{NO} \rightleftharpoons \mathrm{N_2O_2}$ (fast equilibrium)
ii) $\mathrm{N_2O_2} \to \mathrm{NO_2} + \mathrm{N}$ (slow)
iii) $\mathrm{NO_2} + \mathrm{N} + \mathrm{Cl_2} \to 2\,\mathrm{NOCl}$ (fast)
c.
i) $\mathrm{Cl_2} \to 2\,\mathrm{Cl}$ (slow)
ii) $2\,\mathrm{NO} \rightleftharpoons \mathrm{N_2O_2}$ (fast equilibrium)
iii) $\mathrm{N_2O_2} + 2\,\mathrm{Cl} \to 2\,\mathrm{NOCl}$ (fast)
d.
i) $\mathrm{NO} + \mathrm{Cl_2} \rightleftharpoons \mathrm{NOCl_2}$ (fast equilibrium)
ii) $\mathrm{NO} + \mathrm{NOCl_2} \to 2\,\mathrm{NOCl}$ (slow)
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The reaction $2\,NO(g) + Cl_2(g) \rightarrow 2\,NOCl(g)$ has the rate law $\text{Rate} = k[NO]^2[Cl_2]$. The possible mechanism is
a.
i) $2\,NO \rightleftharpoons N_2O_2$ (slow equilibrium)
ii) $N_2O_2 + Cl_2 \rightarrow 2\,NOCl$ (fast)
b.
i) $2\,NO \rightleftharpoons N_2O_2$ (fast equilibrium)
ii) $N_2O_2 \rightarrow NO_2 + N$ (slow)
iii) $NO_2 + N + Cl_2 \rightarrow 2\,NOCl$ (fast)
c.
i) $Cl_2 \rightarrow 2\,Cl$ (slow)
ii) $2\,NO \rightleftharpoons N_2O_2$ (fast equilibrium)
iii) $N_2O_2 + 2\,Cl \rightarrow 2\,NOCl$ (fast)
d.
i) $NO + Cl_2 \rightleftharpoons NOCl_2$ (fast equilibrium)
ii) $NO + NOCl_2 \rightarrow 2\,NOCl$ (slow)
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The molecule which can show pure rotational microwave spectrum is
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The following compound is commonly known as
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Nylon-66 refers to a synthetic fibre produced by the combination of
a.
hexamethyl benzene and hexachlorobenzene
b.
hexachloroethane and n-hexane
c.
hexaminobenzene and malonic acid
d.
hexamethylene diamine and adipic acid
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The nucleic acid having binary basic binding sites is
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Barbituric acid derivatives are used as
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Female sex hormone among the following is
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The product obtained when bromine water reacts with ethene is
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The compound which will be most easily attacked by an electrophile is
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At cathode, the electrolysis of aqueous Na$_2$SO$_4$ gives
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The least stable among the following is
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Radiation that can be stopped by air is
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The reaction of ammonia with silver is used for identifying silver ions. The final stage in the reaction is $2\,NH_3(aq) + Ag^+(aq) \rightarrow [Ag(NH_3)_2]^+(aq)$. The Lewis acid and Lewis base in this reaction respectively are
c.
$[Ag(NH_3)_2]^+$ ; $OH^-$
d.
$H_3O^+$ ; $[Ag(NH_3)_2]^+$
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If radium and chlorine combine to form radium chloride, the compound is
b.
twice radioactive as radium
c.
half radioactive as radium
d.
as radioactive as radium
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In the compound shown, electrophilic substitution occurs at
a.
ortho/para at the first ring
b.
ortho/para at the second ring
c.
meta at the first ring
d.
meta at the second ring
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In $\mathrm{PhCOOPh}$ electrophilic substitution occurs at
a.
ortho/para at the first ring
b.
ortho/para at the second ring
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The most reactive towards elimination reaction among the following is
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$2HCHO + NaOH \rightarrow CH_3OH + HCOONa$ This is an example of
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When optically active $\alpha$-phenyl ethyl alcohol is reacted with thionyl chloride, the product obtained is
a.
racemic mixture of $\alpha$-phenylethyl chloride
b.
$\alpha$-phenylethyl chloride with opposite optical activity
c.
$\alpha$-phenylethyl chloride with retention of same optical activity
d.
optically active $\beta$-phenylethyl chloride
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How many isomers are possible in $[Co(en)_2Cl_2]$?
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Butyne-1 and butene-2 can be distinguished by the chemical test,
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The decreasing order of stability of the following hydrides is
a.
$PH_3 > BH_3 > SbH_3 > AsH_3$
b.
$SbH_3 > AsH_3 > BH_3 > PH_3$
c.
$AsH_3 > PH_3 > SbH_3 > BH_3$
d.
$PH_3 > AsH_3 > SbH_3 > BH_3$
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Lithium hydride reacts with aluminium trichloride to give
b.
aluminium lithium chloride
c.
lithium aluminium hydride
d.
aluminium hydrochloride
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The geometries of Ni(CO)4 and Ni(PPh3)2Cl2 are
b.
tetrahedral and square planar respectively
d.
square planar and tetrahedral respectively
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If n/p ratio is high, the nucleus tends to stabilise by
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Uranium isotope used in atom bomb is having mass number
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The transition element which has all its d-orbitals filled in the ground state is
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Talc used in Talcum powder [Mg3Si4O10(OH)2] is the softest mineral silicate. This is because
a.
of layer structures held by van der Waals' forces
b.
Mg is a very soft element
c.
Si-O bonds are very weak
d.
the presence of OH gives softness
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The vapour pressures of ethoxy ethane, propanone, n-heptane and n-hexane respectively are (in kPa) 57.855, 23.541, 4.655 and 16.093. Their boiling points (in °C) in the same order are
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The density of a solution of 20% (by weight) KI (mol. wt. 166.03) solution in water is 1.166 kg L^-1. Its molality is
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Vitamin, which is not soluble in water, is
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The reagent that does not react with glucose is
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In the SN2 reaction mechanism, the most reactive among the following is
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Match List I correctly with List II and select your answer using the codes given below:
List I
Acids
a) HCOOH
b) CH2=CH-COOH
c) CH3CH2COOH
d) CH3COOH
List II
pKa values
1. 4.76
2. 4.88
3. 4.25
4. 3.77
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Pyrrole is less basic than pyridine because pyrrole has a
a.
pair of electrons as a part of aromatic sextet
b.
proton that can be donated
c.
smaller ring than pyridine
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Blue colour obtained as a result of borax bead test indicates the presence of
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The compound which gives the most stable carbocation on dehydration is
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Observe the molecular structure below and name the compound:
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The set that will form a buffer when dissolved in water to make 1 litre of solution is
a.
0.2 mole of NaOH and 0.2 mole of HCl
b.
0.2 mole of NaCl and 0.2 mole of HNO3
c.
0.4 mole of CH3COOH and 0.4 mole of NaOH
d.
0.4 mole of NH3 and 0.2 mole of HCl
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Benzolic acid is 1.0% ionised in a 0.01 M solution as
$\mathrm{C_6H_5COOH(aq) \rightleftharpoons H^+(aq) + C_6H_5COO^-(aq)}$
Its $K_a$ value is
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Benzoic acid is 1.0% ionised in a 0.01 M solution as C6H5COOH(aq) ⇌ H+(aq) + C6H5COO−(aq). Its $K_a$ value is
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Electrophilic addition reaction of H3C-CH=CH-C(CH3)2-CH3 with HBr gives only H3C-CH(Br)-CH2-C(CH3)2-CH3. This is because of
d.
hyperconjugative effect
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Which of the following has four significant figures?
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Benzene diazonium chloride on reaction with phenol in weakly basic medium gives
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Match List I correctly with List II and select your answer using the codes given below:
List I — Co-ordination compound of Pt
(a) Pt(CO)2(PPh3)2
(b) [(CH3)3Pt(H2O)3]Cl
(c) K[Pt(C2H4)Cl3]
List II — Oxidation state of Pt
1. +2
2. 0
3. +4
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Assign correct configuration of the molecule
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Which one of the following sets of quantum numbers is incorrect?
a.
n = 1, l = 1, m = 0, s = -1/2
b.
n = 2, l = 1, m = +2, s = -1/2
c.
n = 2, l = 1, m = +1, s = +1/2
d.
n = 3, l = 0, m = 0, s = -1/2
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