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Q 1. Consider the following sequence of reaction
The final product (Q) is
chlorobenzene
bromobenzene
benzyl bromide
benzyl chloride
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Q 2. What are the constituent amines formed when the mixture of (a) and (b) undergoes Hofmann bromamide degradation?
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Q 3. Arrange the following compounds in order of their increasing dipole moment:
(I) {tex} \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 } {/tex}
(II) {tex} \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { OH } {/tex}
(III) {tex} \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 } {/tex}
{tex}\mathrm {I} < \mathrm {II} <\mathrm{ I I I} {/tex}
{tex} \mathrm { II } < \mathrm { I } < \mathrm { III } {/tex}
{tex} \mathrm { I } < \mathrm { III } < \mathrm { II } {/tex}
{tex} \mathrm { III } < \mathrm { I } < \mathrm { II } {/tex}
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Q 4. All but one of the following compounds reacts with aniline to give acetanilide. Which one does not?
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Q 5.
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Q 6. Compound {tex} \mathrm { X } {/tex} reacts with {tex} \mathrm { NaNO } _ { 2 } {/tex} and {tex} \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } , {/tex} and then reacts with ortho cresol to form sharp colour compound. Compound {tex} \mathrm { X } {/tex} may be:
{tex} a {/tex} and {tex} b {/tex}
{tex}a, b {/tex} and {tex} c {/tex}
{tex}c{/tex} only
{tex} b {/tex} and {tex} d {/tex}
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Q 7.
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Q 8. Consider the following sequence of reaction.
The end product (B) is:
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Q 9. A positive carbylamine test is given by:
N,N-dimethylaniline
Acetanilide
N-methyl-o-methylaniline
P-methylbenzylamine
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Q 10.
Structure of (D) is:
{tex} \mathrm { Ph } - \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 } {/tex}
{tex} \mathrm { Ph } - \mathrm { NC } {/tex}
{tex} \mathrm { PhCH } _ { 2 } \mathrm { NC } {/tex}
{tex} \mathrm { PhCH } _ { 2 } \mathrm { CN } {/tex}
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Q 11.
Product A is:
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Q 12. Consider the following sequence of reactions:
The products (B) and (C) are:
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Q 13.
Products {tex} ( \mathrm { A } ) {/tex} and {tex} ( \mathrm { B } ) , {/tex} respectively, in the above reaction are:
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Q 14.
{tex} ( X ) {/tex} is