Haloalkanes and Haloarenes

1. A.
   Mustard gas
2. B.
   Tear gas
3. C.
   Chlorine gas
4. D.
   Phosgene gas

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1. A.
   Follows first order kinetics
2. B.
   Favoured by polar protic solvents
3. C.
   Proceeds through the formation of carbocation
4. D.
   Results in inversion of configuration

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1. A.
   $\mathrm{C_6H_5CH_2-Cl}$ (benzyl chloride)
2. B.
   $\mathrm{4\text{-}CH_3-C_6H_4-Cl}$ (4-chlorotoluene)
3. C.
   $\mathrm{CH_3-Cl}$
4. D.
   $\mathrm{C_6H_{11}-Cl}$ (cyclohexyl chloride)

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1. A.
   $\mathrm{C_6H_5-Cl}$ (chlorobenzene)
2. B.
   $\mathrm{2,4\text{-}(CH_3)_2-C_6H_3-Cl}$ (2,4-dimethylchlorobenzene)
3. C.
   $\mathrm{4\text{-}CH_3O-C_6H_4-Cl}$ (4-methoxychlorobenzene)
4. D.
   $\mathrm{2,4\text{-}(NO_2)_2-C_6H_3-Cl}$ (2,4-dinitrochlorobenzene)

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1. A.
   Vinylic
2. B.
   Allylic
3. C.
   Benzylic
4. D.
   Aryl

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1. A.
   $\mathrm{A = CH_3I}$, $\mathrm{B = NaCl}$
2. B.
   $\mathrm{A = CH_3OH}$, $\mathrm{B = NaCl}$
3. C.
   $\mathrm{A = CH_3CHO}$, $\mathrm{B = NaCl}$
4. D.
   $\mathrm{A = C_2H_6}$, $\mathrm{B = CH_3I}$

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1. A.
   Propan-2-ol
2. B.
   Butan-2-ol
3. C.
   1-Bromobutane
4. D.
   2-Bromopropane

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1. A.
   They have the same chemical reactivity.
2. B.
   They have the same specific rotation.
3. C.
   They have the same melting or boiling point.
4. D.
   They have the same refractive index.

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1. A.
   I < IV < III < II
2. B.
   I < III < IV < II
3. C.
   II < III < IV < I
4. D.
   IV < III < II < I

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1. A.
   Chlorobenzene, Na, Dry ether
2. B.
   Benzene, Anhydrous $\mathrm{AlCl_3}$
3. C.
   Chlorobenzene/Fe, Dark
4. D.
   $\mathrm{NaNO_2}$ + HCl

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1. A.
   $\mathrm{CH_2 = CH - Br}$
2. B.
   $\mathrm{CH_3 - CH_2 - Br}$
3. C.
   $\mathrm{CH_3 - CH(Br) - CH_3}$
4. D.
   $\mathrm{CH_2 = CH - CH_2 - Br}$

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1. A.
   1-chloropropane
2. B.
   2-chloropropane
3. C.
   1-chlorobutane
4. D.
   2-chlorobutane

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1. A.
   $\mathrm{NaNO_2 + HCl}$
2. B.
   $\mathrm{CH_3Cl}$/Anhydrous $\mathrm{AlCl_3}$
3. C.
   $\mathrm{CH_3Cl}$/Fe, Dark
4. D.
   $\mathrm{CH_3Cl}$, Na, Dry ether

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1. A.
   ethyl nitrite
2. B.
   nitroethane
3. C.
   nitromethane
4. D.
   ethene

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1. A.
   (ii) < (i) < (iii)
2. B.
   (i) < (ii) < (iii)
3. C.
   (iii) < (i) < (ii)
4. D.
   (iii) < (ii) < (i)

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1. A.
   Finkelstein reaction
2. B.
   Swarts reaction
3. C.
   Sandmeyer reaction
4. D.
   Wurtz reaction

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1. A.
   2-Bromobutane
2. B.
   1-Bromobutane
3. C.
   2-Bromopropane
4. D.
   1-Bromopropane

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1. A.
   retention of configuration
2. B.
   formation of racemic mixture
3. C.
   inversion of configuration
4. D.
   formation of carbocation

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1. A.
   $\mathrm{CH_3-CH_2-I}$
2. B.
   $\mathrm{CH_3-CH_2-Br}$
3. C.
   $\mathrm{CH_3-CH_2-Cl}$
4. D.
   $\mathrm{CH_3-CH_2-F}$

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1. A.
   2-Chlorobutane
2. B.
   1-Bromobutane
3. C.
   2-Bromo-2-Methylpropane
4. D.
   2,2-Dimethyl-1-Chloropropane

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1. A.
   Methylchlorobenzene
2. B.
   Toluene
3. C.
   1-Chloro-4-Methylbenzene
4. D.
   1-Methyl-4-Chlorobenzene

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1. A.
   greenhouse gas
2. B.
   fertilizer
3. C.
   biodegradable insecticide
4. D.
   non-biodegradable insecticide

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Phosphine
2. B.
   Mustard gas
3. C.
   Phosgene
4. D.
   Tear gas

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1. A.
   $\mathrm{(CH_3)_3 - I}$
2. B.
   $\mathrm{(CH_3)_3 - Cl}$
3. C.
   $\mathrm{(CH_3)_3 - Br}$
4. D.
   $\mathrm{(CH_3)_3 - F}$

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1. A.
   $\mathrm{C_6H_5 - CH_2 - CH_2 - X}$
2. B.
   $o\text{-}\mathrm{CH_3 - C_6H_4 - X}$
3. C.
   $\mathrm{C_6H_5 - C(CH_3)_2 - X}$
4. D.
   $\mathrm{C_6H_5 - CH_2 - CH(X) - CH_3}$

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1. A.
   1-Bromo-2-methylcyclobutane
2. B.
   1-Bromo-1-methylcyclobutane
3. C.
   (Bromomethyl)cyclobutane
4. D.
   1-Bromo-3-methylcyclobutane

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1. A.
   $\mathrm{NC-C_6H_4-CH_2-CN}$
2. B.
   $\mathrm{NC-C_6H_4-CH_2-Cl}$
3. C.
   $\mathrm{Cl-C_6H_4-CH_2-CN}$
4. D.
   $\mathrm{Cl-C_6H_3(CN)-CH_2-CN}$

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1. A.
   propyl chloride with KCN
2. B.
   butyl chloride with KCN
3. C.
   propyl alcohol with KCN
4. D.
   butyl alcohol with KCN

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1. A.
   $\mathrm{CH_2 = CH - CH_2 - X}$
2. B.
   $\mathrm{C_6H_5 - CH_2 - X}$
3. C.
   $\mathrm{CH_2 = CH - X}$
4. D.
   $\mathrm{CH_3 - CH_2 - X}$

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1. A.
   $\mathrm{4-Cl-C_6H_4-CH_2-Cl}$
2. B.
   $\mathrm{4-HO-C_6H_4-CH_2-Cl}$
3. C.
   $\mathrm{4-Cl-C_6H_4-CH_2-OH}$
4. D.
   $\mathrm{2-Cl-4-HO-C_6H_3-CH_2-OH}$

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1. A.
   $\mathrm{(CH_3)_3C-Br}$
2. B.
   $\mathrm{(CH_3)_2CH-Br}$
3. C.
   $\mathrm{CH_3-CH_2-Br}$
4. D.
   $\mathrm{(CH_3)_3C-CH_2-Br}$

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1. A.
   A six-membered carbon ring carrying ONE $\mathrm{C=C}$ double bond, with $\mathrm{Br}$ bonded to a ring carbon (drawn skeletal structure)
2. B.
   A fully saturated six-membered carbon ring bonded to $\mathrm{-CH_2-Br}$ (drawn skeletal structure)
3. C.
   A fully saturated six-membered carbon ring with $\mathrm{Br}$ bonded to a ring carbon (drawn skeletal structure)
4. D.
   A six-membered carbon ring carrying THREE alternating $\mathrm{C=C}$ double bonds, with $\mathrm{Br}$ bonded to a ring carbon (drawn skeletal structure)

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1. A.
   Chlorobenzene (drawn as a Kekule benzene hexagon bearing $\mathrm{Cl}$)
2. B.
   $\mathrm{CH_3-CH_2-CH_2-Cl}$
3. C.
   $\mathrm{CH_2=CH-Cl}$
4. D.
   $\mathrm{CH_2=CH-CH_2-Cl}$

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1. A.
   I, II, III
2. B.
   I, II, III, IV
3. C.
   II, III, IV
4. D.
   I, III, IV

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1. A.
   I, II, III
2. B.
   II, III, IV
3. C.
   I, II, III, IV
4. D.
   I, III, IV

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.