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Reactions of Aryl Amines (Diazo Salts)

Column 1: Rea...

Question

Column 1: Reaction

Column 2: Type of reactions
Column 3: Lab test for reactants

For the synthesis of hydrocarbon, the only correct combination is:

(II) (i) (R)

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(III) (ii) (P)

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(IV) (i) (Q)

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(I) (iii) (S)

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Solution

The correct option is C (IV) (i) (Q)
$P h - C H_{2} - N H_{2} C H_{3} M g B r - ----- \to P h - C H_{2} - N H M g B r + C H_{4}$

Since methane is being formed via an acid-base reaction, with a CH₃⁻abstracting a proton from nitrogen.

Carbylamine test is used to identify primary amines.

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Column 1: Reaction

Column 2: Type of reactions

Column 1: Reaction

Column 2: Type of reactions

\begin{matrix} Column 1 & Column 2 & Column 3 (I) Toluene & (i) N a O H / B r_{2} & (P) Condensation (II) Acetophenone & (i i) B r_{2} / h v & (Q) Carboxylation (III) Benzaldehyde & (i i i) (C H_{3} C O)_{2} O / C H_{3} C O O K & (R) Substitution (IV) Phenol & (i v) N a O H / C O_{2} & (S) Haloform \end{matrix}

\begin{matrix} Column 1 & Column 2 & Column 3 (I) Toluene & (i) N a O H / B r_{2} & (P) Condensation (II) Acetophenone & (i i) B r_{2} / h v & (Q) Carboxylation (III) Benzaldehyde & (i i i) (C H_{3} C O)_{2} O / C H_{3} C O O K & (R) Substitution (IV) Phenol & (i v) N a O H / C O_{2} & (S) Haloform \end{matrix}

Column 1: Name and formula of compound Column

Column 2: Name of the reaction.

Column 3: Major product of reaction.

The only correct combination in which the reaction intermediate is Carbene:

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