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Chemistry Question on Alkenes

When hydrochloric acid gas is treated with propene in presence of benzoyl peroxide, it gives

A

2-chloropropane

B

alkyl chloride

C

no reaction

D

n-propyl chloride

Answer

2-chloropropane

Explanation

Solution

Kharasch effect or peroxide effect is only
observed in case of addition of HBr to
unsymmetrical alkenes, so the addition of HC1 with
propene takes place as usual by Markownikoff- rule
CH3CH=CH2+HCI→peroxideBenzoylCH_3 CH = CH_2 + HCI\xrightarrow[peroxide]{Benzoyl}