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1. A
   Aqua
2. B
   Ethylenediamine
3. C
   Sulphato
4. D
   Nitrito

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1. A
   0.1 m KCl
2. B
   0.05 m NaCl
3. C
   0.1 m BaCl$_2$
4. D
   0.1 m MgSO$_4$

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1. A
   0.039
2. B
   0.293
3. C
   8.0
4. D
   27.3

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1. A
   Cu and Mn
2. B
   Mn and Cr
3. C
   Zn and Co
4. D
   Cu and Zn

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1. A
   229.5 pm
2. B
   187.4 pm
3. C
   459.0 pm
4. D
   265.2 pm

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1. A
   0.1 M
2. B
   0.02 M
3. C
   0.03 M
4. D
   0.04 M

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1. A
   CH$_2$=CH-CH$_2$-OH (primary allylic)
2. B
   [Secondary allylic alcohol with OH on C adjacent to C=C, secondary C]
3. C
   CH$_3$-CH=CH-CH$_2$-OH (primary allylic)
4. D
   CH$_2$=CH-C(CH$_3$)$_2$-OH (tertiary allylic)

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1. A
   $q=w=500\text{ J},\,\Delta U=0$
2. B
   $q=\Delta U=500\text{ J},\,w=0$
3. C
   $q=\Delta U=-500\text{ J},\,w=0$
4. D
   $q=500\text{ J},\,\Delta U=w=0$

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1. A
   $121.4\,\Omega^{-1}\text{cm}^2\text{mol}^{-1}$
2. B
   $110.1\,\Omega^{-1}\text{cm}^2\text{mol}^{-1}$
3. C
   $201.1\,\Omega^{-1}\text{cm}^2\text{mol}^{-1}$
4. D
   $241.4\,\Omega^{-1}\text{cm}^2\text{mol}^{-1}$

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1. A
   CH$_3$Cl > CH$_3$Br > CH$_2$Br$_2$ > CHBr$_3$
2. B
   CH$_3$Br > CH$_2$Br$_2$ > CHBr$_3$ > CH$_3$Cl
3. C
   CHBr$_3$ > CH$_2$Br$_2$ > CH$_3$Br > CH$_3$Cl
4. D
   CH$_3$Br > CH$_3$Cl > CHBr$_3$ > CH$_2$Br$_2$

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1. A
   4.0
2. B
   3.5
3. C
   2.48
4. D
   3.2

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1. A
   N-Methyl-N-isopropylethanamine
2. B
   N-Ethyl-N-methylpropan-1-amine
3. C
   N-Ethyl-N-methylpropan-2-amine
4. D
   N-Ethyl-N-isopropylmethanamine

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1. A
   96500 C
2. B
   38600 C
3. C
   48250 C
4. D
   19300 C

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1. A
   D
2. B
   R
3. C
   A
4. D
   S

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1. A
   13
2. B
   7
3. C
   12
4. D
   8

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1. A
   $k=1$ or $k=-1$
2. B
   $k=0$ or $k=-3$
3. C
   $k=3$ or $k=-3$
4. D
   $k=0$ or $k=3$

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1. A
   833
2. B
   473
3. C
   4374
4. D
   8334

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1. A
   $q\vee r$
2. B
   $p\vee r$
3. C
   $q$
4. D
   $p$

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1. A
   $\frac{1}{4}$
2. B
   $-\frac{1}{4}$
3. C
   $\frac{1}{14}$
4. D
   $-\frac{1}{14}$

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1. A
   $7!$
2. B
   $5\times6!$
3. C
   $6\times6!$
4. D
   $5\times7!$

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1. A
   $\frac{5}{17}$
2. B
   $\frac{6}{17}$
3. C
   $\frac{3}{17}$
4. D
   $\frac{4}{17}$

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1. A
   $(x+1)e^{x+1/x}+c$
2. B
   $-xe^{x+1/x}+c$
3. C
   $(x-1)e^{x+1/x}+c$
4. D
   $xe^{x+1/x}+c$

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1. A
   increasing on $(0,\infty)$.
2. B
   increasing on $\left(0,\frac{\pi}{e}\right)$, decreasing on $\left(\frac{\pi}{e},\infty\right)$.
3. C
   decreasing on $(0,\infty)$.
4. D
   decreasing on $\left(0,\frac{\pi}{e}\right)$, increasing on $\left(\frac{\pi}{e},\infty\right)$.

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1. A
   $-\frac{4}{9}\pi^2$
2. B
   $\frac{4}{9\sqrt{3}}\pi^2$
3. C
   $-\frac{8}{9\sqrt{3}}\pi^2$
4. D
   $-\frac{8}{9}\pi^2$

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1. A
   $\frac{1}{b^3}\left[a+bx+2a\log|a+bx|-\frac{a^2}{a+bx}\right]+c$
2. B
   $\frac{1}{b^3}\left[a+bx-2a\log|a+bx|+\frac{a^2}{a+bx}\right]+c$
3. C
   $\frac{1}{b^3}\left[a+bx-2a\log|a+bx|-\frac{a^2}{a+bx}\right]+c$
4. D
   $\frac{1}{b^3}\left[a+bx+2a\log|a+bx|+\frac{a^2}{a+bx}\right]+c$

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