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

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1. A
   0.02 F
2. B
   0.03 F
3. C
   0.25 F
4. D
   0.30 F

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1. A
   $\text{Co}^{2+}$ and $\text{Mn}^{3+}$
2. B
   $\text{Mn}^{2+}$ and $\text{Zn}^{2+}$
3. C
   $\text{Fe}^{3+}$ and $\text{Mn}^{2+}$
4. D
   $\text{Sc}^{3+}$ and $\text{Co}^{2+}$

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1. A
   Furan
2. B
   Pyridine
3. C
   Thiophene
4. D
   Piperidine

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

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1. A
   0.0721
2. B
   0.0552
3. C
   0.0625
4. D
   0.9375

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1. A
   Ammine
2. B
   Chloro
3. C
   Sulphato
4. D
   Nitrito

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1. A
   2-Bromopropane
2. B
   2-Bromo-2-methylbutane
3. C
   2-Bromo-3-methylbutane
4. D
   3-Bromopentane

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

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1. A
   Nitric acid (dil.)
2. B
   Nitrous acid (conc.)
3. C
   Sulphuric acid (conc.)
4. D
   Nitric acid (conc.) + Sulphuric acid (conc.)

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1. A
   $\text{I}_2 > \text{Br}_2 > \text{Cl}_2 > \text{F}_2$
2. B
   $\text{Br}_2 > \text{Cl}_2 > \text{F}_2 > \text{I}_2$
3. C
   $\text{F}_2 > \text{Cl}_2 > \text{Br}_2 > \text{I}_2$
4. D
   $\text{Cl}_2 > \text{F}_2 > \text{Br}_2 > \text{I}_2$

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1. A
   $3.6132 \times 10^{23}$
2. B
   $7.2264 \times 10^{23}$
3. C
   $4.8396 \times 10^{23}$
4. D
   $5.0331 \times 10^{23}$

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1. A
   Stephen reduction
2. B
   Clemmensen reduction
3. C
   Wolf Kishner reduction
4. D
   Rosenmund reduction

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1. A
   $\text{BeCl}_2$ and $\text{Be(OH)}_2$
2. B
   $\text{BeCl}_2$ and $\text{Na}_2\text{BeO}_4$
3. C
   $\text{Be(OH)}_2$ and $\text{BeCl}_2$
4. D
   $\text{BeCl}_2$ and $\text{Na}_2\text{BeO}_2$

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1. A
   $\text{SO}_3$
2. B
   NO
3. C
   $\text{Al}_2\text{O}_3$
4. D
   CaO

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1. A
   $3.24 \times 10^{-10}$
2. B
   $2.44 \times 10^{-10}$
3. C
   $1.64 \times 10^{-10}$
4. D
   $4.00 \times 10^{-10}$

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1. A
   $\text{RCONH}_2 \xrightarrow{\text{Br}_2/\text{KOH(aq)}} \text{R-NH}_2$
2. B
   $\text{R-NH}_2 \xrightarrow{\text{excess R-X}} \text{R}_4\text{NX}$
3. C
   $\text{R}_4\text{NX} \xrightarrow{\text{moist Ag}_2\text{O}, \Delta} \text{Alkene} + \text{R}_3\text{N}$
4. D
   $\text{RCN} \xrightarrow{\text{Na/C}_2\text{H}_5\text{OH}} \text{RCH}_2\text{NH}_2$

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1. A
   $0.5x$ mol dm$^{-3}$ s$^{-1}$
2. B
   $x$ mol dm$^{-3}$ s$^{-1}$
3. C
   $2x$ mol dm$^{-3}$ s$^{-1}$
4. D
   $\frac{3}{2}x$ mol dm$^{-3}$ s$^{-1}$

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1. A
   But-1-en-1-ol
2. B
   But-3-en-1-ol
3. C
   But-2-en-1-ol
4. D
   Butane-1,3-diol

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1. A
   Haemoglobin
2. B
   Gum
3. C
   Gelatin
4. D
   Cadmium sulfide

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1. A
   $1.1 \times 10^{21}$
2. B
   $2.2 \times 10^{21}$
3. C
   $3.3 \times 10^{21}$
4. D
   $4.4 \times 10^{21}$

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1. A
   1-Fluoro-2-methylpropane
2. B
   2-Fluoro-2-methylpropane
3. C
   1-Flurobutane
4. D
   2-Flurobutane

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1. A
   $\Delta H^\circ = T\Delta S^\circ$
2. B
   $\Delta H^\circ = \frac{\Delta S^\circ}{T}$
3. C
   $\Delta H^\circ = T\Delta S^\circ$
4. D
   $\Delta H^\circ = \frac{1}{T}\Delta S^\circ$

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1. A
   Monomolecular and $\frac{1}{2}$
2. B
   Monomolecular and 1
3. C
   Monomolecular and $\frac{3}{2}$
4. D
   Bimolecular and $\frac{3}{2}$

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1. A
   No
2. B
   Mo
3. C
   Co
4. D
   Ce

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