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1. A
   $Na_2SO_4$
2. B
   $KNO_3$
3. C
   $NaNO_3$
4. D
   $KBr$

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1. A
   1 F
2. B
   3 F
3. C
   5 F
4. D
   7 F

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1. A
   $NH_2OH$
2. B
   $HCN$
3. C
   dil. $HNO_3$
4. D
   Acetic anhydride

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1. A
   $2.5\times10^{-13}$ M
2. B
   $5.0\times10^{-2}$ M
3. C
   $2.0\times10^{-13}$ M
4. D
   $4.2\times10^{-12}$ M

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1. A
   $a = \frac{\sqrt{3}r}{4}$
2. B
   $a = \frac{4}{\sqrt{3}}r$
3. C
   $a = \frac{\sqrt{3}}{4}r$
4. D
   $a = \frac{4r}{\sqrt{3}}$

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1. A
   Methanoic acid and phenyl methanol
2. B
   Methanol and benzoic acid
3. C
   Methanol and phenol
4. D
   Methanoic acid and phenol

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1. A
   2.24
2. B
   22.4
3. C
   56.0
4. D
   67.2

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1. A
   $+\frac{k}{2.303}$
2. B
   $k$
3. C
   $-k$
4. D
   $-2.303k$

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1. A
   5
2. B
   9
3. C
   6
4. D
   3

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1. A
   $mvr = \frac{nh}{2\pi}$
2. B
   $mvr = \frac{2\pi n}{h}$
3. C
   $r = \frac{mvhn}{2\pi}$
4. D
   $mv = \frac{2\pi rn}{h}$

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1. A
   Balmer
2. B
   Lyman
3. C
   Paschen
4. D
   Brackett

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1. A
   1.969 minute
2. B
   7.75 minute
3. C
   16.69 minute
4. D
   19.69 minute

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1. A
   Neoprene and Isoprene
2. B
   Orlon and Teflon
3. C
   Bakelite and Orlon
4. D
   SBR and PHBV

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1. A
   51.0 g mol$^{-1}$
2. B
   60.0 g mol$^{-1}$
3. C
   81.3 g mol$^{-1}$
4. D
   96.8 g mol$^{-1}$

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1. A
   +3
2. B
   +7
3. C
   +5
4. D
   +1

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1. A
   $[Co(H_2O)(NH_3)_5]I_3$
2. B
   $[Co(NO_2)_3(NH_3)_3]$
3. C
   $Na_3[Co(NO_2)_6]$
4. D
   $[Fe(H_2O)_3(NCS)_3]Cl_2$

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1. A
   Chlorine
2. B
   Bromine
3. C
   Iodine
4. D
   Fluorine

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1. A
   Chloromethane
2. B
   Fluoromethane
3. C
   Iodomethane
4. D
   Bromomethane

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1. A
   O₂ gas deposited on tungsten
2. B
   H₂ gas deposited on nickel
3. C
   N₂ gas deposited on iron
4. D
   All gases deposited on charcoal

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1. A
   Benzyl alcohol
2. B
   Benzaldehyde
3. C
   Benzoic acid
4. D
   Benzophenone

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1. A
   1-Bromo-4-hydroxybenzene
2. B
   1-Hydroxy-4-bromobenzene
3. C
   4-Hydroxybromobenzene
4. D
   4-Bromophenol

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1. A
   1.43
2. B
   1.86
3. C
   2.43
4. D
   2.86

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1. A
   $Z = \frac{nRT}{PV}$
2. B
   $Z = \frac{PV}{nRT}$
3. C
   $Z = \frac{nRT}{V}$
4. D
   $Z = \frac{nRT}{P}$

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1. A
   $1.42\times10^{-3}$ Ω⁻¹ cm⁻¹
2. B
   $2.41\times10^{-3}$ Ω⁻¹ cm⁻¹
3. C
   $2.85\times10^{-3}$ Ω⁻¹ cm⁻¹
4. D
   $7.11\times10^{-3}$ Ω⁻¹ cm⁻¹

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1. A
   2-Ethylhept-3-en-5-ol
2. B
   3-Methyloct-4-en-6-ol
3. C
   6-Methyloct-4-en-3-ol
4. D
   6-Ethylhept-4-en-3-ol

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