Practice every past-year question.

1. A
   $2.0\text{ K kg mol}^{-1}$
2. B
   $3.0\text{ K kg mol}^{-1}$
3. C
   $2.5\text{ K kg mol}^{-1}$
4. D
   $3.5\text{ K kg mol}^{-1}$

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1. A
   Sucrose and Lactose
2. B
   Lactose and Maltose
3. C
   Sucrose and Maltose
4. D
   Raffinose and Maltose

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1. A
   $\text{SiCl}_4$
2. B
   $\text{SF}_4$
3. C
   $\text{BrF}_5$
4. D
   $\text{XeF}_4$

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1. A
   $32\text{ g mol}^{-1}$
2. B
   $14\text{ g mol}^{-1}$
3. C
   $28\text{ g mol}^{-1}$
4. D
   $30\text{ g mol}^{-1}$

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1. A
   $\frac{V}{T}$ = Constant at constant pressure and for fixed mass of gas.
2. B
   $\frac{P}{d}$ = constant at constant temperature and fixed mass of gas.
3. C
   $\frac{P}{T}$ = constant at constant volume and fixed mass of gas.
4. D
   $P \times V$ = constant at constant temperature and for fixed mass of gas.

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1. A
   Charcoal is added to methylene blue solution.
2. B
   Chalk is dipped in ink.
3. C
   Hydrogen gas is passed over platinum.
4. D
   Oxygen gas is passed over finely divided nickel.

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1. A
   Lactose
2. B
   Raffinose
3. C
   Stachyose
4. D
   Maltose

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1. A
   $\text{AB}_3$
2. B
   $\text{A}_3\text{B}_2$
3. C
   $\text{A}_2\text{B}_3$
4. D
   $\text{AB}_4$

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1. A
   Catechol
2. B
   Resorcinol
3. C
   Phloroglucinol
4. D
   Hydroquinone

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1. A
   0.371 M
2. B
   0.487 M
3. C
   0.615 M
4. D
   0.726 M

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1. A
   $\text{C}_2\text{H}_5\text{OH}$
2. B
   $\text{CH}_3\text{OH}$
3. C
   $\text{CH}_3\text{NH}_2$
4. D
   $\text{CH}_4$

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1. A
   $\text{O}_2$ and $\text{O}_3$ are paramagnetic
2. B
   The enthalpy change during the formation of $\text{O}_3$ from $\text{O}_2$ is positive
3. C
   The entropy change in the formation of $\text{O}_3$ from $\text{O}_2$ is positive
4. D
   $\text{O}_3$ is more stable than $\text{O}_2$

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1. A
   2
2. B
   4
3. C
   6
4. D
   1

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1. A
   5512.5 minute
2. B
   11025.0 minute
3. C
   8314.3 minute
4. D
   2303.1 minute

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1. A
   $\text{CH}_2\text{Cl}_2$
2. B
   $\text{CHCl}_3$
3. C
   $\text{CCl}_4$
4. D
   $\text{H}_2\text{O}$

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1. A
   increases by 0.0592 V
2. B
   decreases by 0.0592 V
3. C
   increases by 0.0296 V
4. D
   decreases by 0.0296 V

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1. A
   Phenol
2. B
   o-Bromophenol
3. C
   p-Bromophenol
4. D
   2,4,6-tribromophenol

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1. A
   Four spheres are involved in the formation of a tetrahedral void.
2. B
   The octahedral void is surrounded by six spheres.
3. C
   There are two tetrahedral voids associated with each atom.
4. D
   There is one octahedral void associated with two atoms.

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1. A
   $[\text{Cr(H}_2\text{O)}_6]\text{Cl}_3$ and $[\text{Cr(H}_2\text{O)}_5\text{Cl}]\text{Cl}_2\cdot\text{H}_2\text{O}$
2. B
   $[\text{CO(NH}_3)_5\text{SO}_4]\text{Br}$ and $[\text{CO(NH}_3)_5\text{Br}]\text{SO}_4$
3. C
   $[\text{CO(NH}_3)_6][\text{Cr(CN)}_6]$ and $[\text{Cr(NH}_3)_6][\text{CO(CN)}_6]$
4. D
   $[\text{Fe(H}_2\text{O)}_5\text{SCN}]^+$ and $[\text{Fe(H}_2\text{O)}_5\text{NCS}]^+$

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1. A
   Dy
2. B
   Ag
3. C
   Pu
4. D
   Pa

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1. A
   4d and 5d
2. B
   5d and 6d
3. C
   3d and 4d
4. D
   3d and 6d

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1. A
   order and molecularity both are 1
2. B
   order is 1 and molecularity is 2
3. C
   order and molecularity both are 2
4. D
   order is 2 and molecularity is 1

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1. A
   12.25 g
2. B
   15.32 g
3. C
   20.40 g
4. D
   49.00 g

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1. A
   $2\text{H}_2\text{O}_{2(l)} \to 2\text{H}_2\text{O}_{(l)} + \text{O}_{2(g)}$
2. B
   $\text{H}_{2(g)} \to 2\text{H}_{(g)}$
3. C
   $\text{CaCO}_{3(s)} \xrightarrow{\Delta} \text{CaO}_{(s)} + \text{CO}_{2(g)}$
4. D
   $2\text{H}_{2(g)} + \text{O}_{2(g)} \to 2\text{H}_2\text{O}_{(l)}$

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1. A
   $23032\text{ cm}^{-1}$
2. B
   $46064\text{ cm}^{-1}$
3. C
   $69096\text{ cm}^{-1}$
4. D
   $92128\text{ cm}^{-1}$

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