Consider the following reaction, A → 2 . CN - 3 . H 2 O / H + / ∆ 1 . Cl 2 / hv 4 - bromophenylacetic acid What is A in the above reaction?

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Chemistry - Halogen Derivative Question with Solution | TestHub

ChemistryHalogen DerivativeNUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNIHard2 minPYQ_2022

ChemistryHardsingle choice

Consider the following reaction,

$A \to_{\begin{array}{l} 2 . {CN}^{-} \\ 3 . H_{2} O / H^{+} / ∆ \end{array}}^{1 . {Cl}_{2} / hv} 4 - bromophenylacetic acid$

What is $A$ in the above reaction?

Question diagram: Consider the following reaction, A → 2 . CN - 3 . H 2 O / H

Options:

Answer:

Solution:

4-bromotoluene undergoes free radical chlorination,to form 4-bromo benzyl chloride.

4-bromo benzyl chloride on reaction with KCN from

4-Bromobenzyl Cyanide which undergoes hydrolysis to form 4-Bromophenyl acetic acid,

Stream:JEESubject:ChemistryTopic:Halogen DerivativeSubtopic:NUCLEOPHILIC SUBSTITUTION REACTIONS (SN1 AND SN2), SN(NEIGHBOURING GROUP PARTICIPATION), SNI

⏱ 2mℹ️ Source: PYQ_2022

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