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Question

Question: Which of the following reactions does not show the correct products of the reaction?...

Which of the following reactions does not show the correct products of the reaction?

A

CH3CH=CH3HBrPeroxideCH3CH2CH2BrCH_{3} - CH = CH_{3}\underset{Peroxide}{\overset{\quad HBr\quad}{\rightarrow}}CH_{3} - CH_{2} - CH_{2}Br

B

CH3CH=CH2HClPeroxideCH3CH2CH2ClCH_{3} - CH = CH_{2}\underset{Peroxide}{\overset{\quad HCl\quad}{\rightarrow}}CH_{3} - CH_{2} - CH_{2}Cl

C

CH3CH=CH2HBrCH3CHBrCH3CH_{3} - CH = CH_{2}\overset{\quad HBr\quad}{\rightarrow}CH_{3} - \overset{Br}{\overset{|}{CH}} - CH_{3}

D

CH3CH=CH2HClCH3CHClCH3CH_{3} - CH = CH_{2}\overset{\quad HCl\quad}{\rightarrow}CH_{3} - \underset{Cl}{\underset{|}{CH}} - CH_{3}

Answer

CH3CH=CH2HClPeroxideCH3CH2CH2ClCH_{3} - CH = CH_{2}\underset{Peroxide}{\overset{\quad HCl\quad}{\rightarrow}}CH_{3} - CH_{2} - CH_{2}Cl

Explanation

Solution

: Only addition of HBr gives anti-Markownikoff’s product in presence of peroxide. Presence of peroxide does not make any difference while reaction with HCl.