Practice every past-year question.

1. A
   10.2 eV
2. B
   -10.2 eV
3. C
   -13.6 eV
4. D
   Both (a) and (b)

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1. A
   remains unchanged
2. B
   decreases
3. C
   increases
4. D
   first decreases and then increases

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1. A
   $\frac{Ml^2}{4}$
2. B
   $\frac{2Ml^2}{3}$
3. C
   $\frac{4Ml^2}{3}$
4. D
   $\frac{Ml^2}{3}$

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1. A
   1000:1
2. B
   1:10
3. C
   10:1
4. D
   1:1000

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1. A
   Nd
2. B
   Tm
3. C
   Lu
4. D
   Tb

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1. A
   3.17 g
2. B
   2.54 g
3. C
   0.795 g
4. D
   1.59 g

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1. A
   o-nitrophenol
2. B
   m-nitrophenol
3. C
   p-nitrophenol
4. D
   None of these

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1. A
   glucose contains five hydroxyl groups.
2. B
   the presence of aldehyde group in glucose.
3. C
   glucose contains one primary alcoholic group.
4. D
   the six carbon atoms of glucose are in a straight chain.

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1. A
   $3\ \text{g cm}^{-3}$
2. B
   $2\ \text{g cm}^{-3}$
3. C
   $5\ \text{g cm}^{-3}$
4. D
   $4\ \text{g cm}^{-3}$

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1. A
   $M_2 = \frac{1000 \times K_f \times W_1}{\Delta T_f \times W_2}$
2. B
   $M_2 = \frac{1000 \times K_f \times W_2}{\Delta T_f \times W_1}$
3. C
   $M_2 = \frac{1000 \times \Delta T_f \times W_2}{K_f \times W_1}$
4. D
   $M_2 = \frac{1000 \times \Delta T_f \times W_1}{K_f \times W_2}$

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1. A
   $20\ \text{dm}^3$
2. B
   $13.66\ \text{dm}^3$
3. C
   $10\ \text{dm}^3$
4. D
   $7.32\ \text{dm}^3$

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1. A
   4
2. B
   2
3. C
   1
4. D
   0.25

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1. A
   1-methylcyclopentan-3-ol
2. B
   3-hydroxy-1-methyl cyclopentane
3. C
   3-methyl cyclopentanol
4. D
   3-methylpentan-1-ol

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1. A
   $\text{C}_2\text{H}_4\text{N}_2$
2. B
   $\text{C}_{12}\text{H}_{24}\text{N}_{12}$
3. C
   $\text{C}_{16}\text{H}_{32}\text{N}_{16}$
4. D
   $\text{C}_4\text{H}_8\text{N}_4$

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1. A
   40.4 g
2. B
   42.9 g
3. C
   52.7 g
4. D
   50.0 g

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1. A
   -84.5 kJ/mol
2. B
   -63.45 kJ/mol
3. C
   -21.25 kJ/mol
4. D
   -42.5 kJ/mol

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1. A
   bond enthalpy of reaction
2. B
   standard enthalpy of formation
3. C
   standard enthalpy of reaction
4. D
   standard enthalpy of combustion

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1. A
   $\Omega^{-1}$
2. B
   $\Omega^{-1}\ \text{cm}^2\ \text{mol}^{-1}$
3. C
   $\text{S m}^2\ \text{mol}^{-1}$
4. D
   $\text{S m}^{-1}$

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1. A
   $1.6021\ \text{min}^{-1}$
2. B
   $0.2303\ \text{min}^{-1}$
3. C
   $0.4031\ \text{min}^{-1}$
4. D
   $0.06020\ \text{min}^{-1}$

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1. A
   Overall order of reaction is 2.
2. B
   The reaction is first order in H$_2$.
3. C
   The reaction is first order in I$_2$.
4. D
   Overall order of reaction is 1.

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1. A
   $9.15\ \text{g/cm}^3$
2. B
   $10.33\ \text{g/cm}^3$
3. C
   $6.22\ \text{g/cm}^3$
4. D
   $9.74\ \text{g/cm}^3$

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1. A
   methanol
2. B
   glucose
3. C
   carbon dioxide
4. D
   cannot predict

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1. A
   sorption
2. B
   desorption
3. C
   unbalanced distribution
4. D
   dissociation

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1. A
   Macromolecular colloid
2. B
   Associated colloid
3. C
   Molecular colloid
4. D
   Electrolytic solution

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1. A
   $dsp^2$
2. B
   $sp^3d^2$
3. C
   $d^2sp^3$
4. D
   $sp^3$

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