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1. A
   $9.0 \times 10^{-23}\,\text{cm}^3$
2. B
   $2.98 \times 10^{-23}\,\text{cm}^3$
3. C
   $6.023 \times 10^{-23}\,\text{cm}^3$
4. D
   $5.50 \times 10^{-23}\,\text{cm}^3$

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1. A
   solute-solute interactions, solute-solvent interactions and solvent-solvent interactions are of similar magnitude.
2. B
   solute-solute interactions > solute-solvent interactions > solvent-solvent interactions.
3. C
   solvent-solvent interactions > solute-solvent interactions > solute-solute interactions.
4. D
   solute-solvent interactions > solute-solute interactions > solvent-solvent interactions.

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1. A
   Teflon
2. B
   PHBV
3. C
   LDP
4. D
   Polyacrylonitrile

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1. A
   2.7
2. B
   10.3
3. C
   12.3
4. D
   11.3

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1. A
   ${}^{12}_6\text{C}$; ${}^{14}_6\text{C}$
2. B
   ${}^{12}_6\text{C}$; ${}^{11}_5\text{B}$
3. C
   ${}^{14}_6\text{C}$; ${}^{14}_7\text{N}$
4. D
   ${}^{13}_6\text{C}$; ${}^{11}_5\text{B}$

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1. A
   $+450\,\text{J}$
2. B
   $-450\,\text{J}$
3. C
   $+300\,\text{J}$
4. D
   $-150\,\text{J}$

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1. A
   Pentacarbonyliron(0)
2. B
   Triamminetrinitrocobalt(III)
3. C
   Tetraamminecopper(II) ion
4. D
   Tetracyanonickelate(II) ion

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1. A
   $\alpha,\beta$-1,2 glycosidic
2. B
   $\alpha$-1,4 glycosidic
3. C
   $\beta$-1,4 glycosidic
4. D
   $\alpha$-1,6 glycosidic

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1. A
   $3n$ Cl and $n$ N
2. B
   $2n$ Cl and $2n$ N
3. C
   $n$ Cl and $n$ N
4. D
   $n$ Cl and $2n$ N

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1. A
   $107^\circ$
2. B
   $104.5^\circ$
3. C
   $120^\circ$
4. D
   $109.5^\circ$

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1. A
   Prior to hybridization Co³⁺ possesses four unpaired electrons.
2. B
   This complex has all electrons paired.
3. C
   It is a high spin complex.
4. D
   It is a diamagnetic complex.

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1. A
   $V = \frac{\pi a^3}{6}$
2. B
   $V = \frac{\sqrt{3}\pi a^3}{8}$
3. C
   $V = \frac{\pi a^3}{32}$
4. D
   $V = \frac{\pi a^3}{16}$

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1. A
   $x=2, y=1$
2. B
   $x=1, y=2$
3. C
   $x=3, y=2$
4. D
   $x=2, y=3$

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1. A
   0.0112
2. B
   0.0341
3. C
   0.0694
4. D
   0.292

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

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

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1. A
   $\text{HNO}_3$
2. B
   $\text{H}_2\text{SO}_4$
3. C
   $\text{CH}_3\text{COOH}$
4. D
   $\text{KCl}$

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1. A
   Alkyl halide
2. B
   Alkyl cyanide
3. C
   Nitroalkane
4. D
   Alkyl isocyanide

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1. A
   K
2. B
   Na
3. C
   Li
4. D
   Cs

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1. A
   $1.1\times10^{-2}\,\text{mol\,dm}^{-3}\,\text{s}^{-1}$
2. B
   $2.2\times10^{-2}\,\text{mol\,dm}^{-3}\,\text{s}^{-1}$
3. C
   $3.3\times10^{-2}\,\text{mol\,dm}^{-3}\,\text{s}^{-1}$
4. D
   $6.6\times10^{-2}\,\text{mol\,dm}^{-3}\,\text{s}^{-1}$

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1. A
   $r = k[\text{NO}_2]^{1/2}[\text{CO}]$
2. B
   $r = k[\text{NO}_2]^2[\text{CO}]^0$
3. C
   $r = \frac{1}{2}k[\text{NO}_2][\text{CO}]$
4. D
   $r = k[\text{NO}_2]^2[\text{CO}]$

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1. A
   Hydrazine: NH2-NH2
2. B
   Semicarbazide: NH2-NH-CO-NH2
3. C
   Phenylhydrazine: C6H5-NH-NH-C6H5
4. D
   Hydroxylamine: NH2-OH

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1. A
   Dipole-induced dipole interaction
2. B
   Ion-dipole interaction
3. C
   Dipole-dipole interaction
4. D
   van der Waals forces

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1. A
   $\text{Cl}^-$ and $\text{NH}_4^+$
2. B
   $\text{HCl}$ and $\text{NH}_3$
3. C
   $\text{NH}_4^+$ and $\text{NH}_3$
4. D
   $\text{NH}_4^+$ and $\text{HCl}$

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1. A
   N,N-Dimethyl aniline
2. B
   N-Methyl-N-Phenyl aniline
3. C
   Butan-1-amine
4. D
   N,N-Dimethyl-1-butanamine

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