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Question

Chemistry Question on Alkanes

CH3CH=CH2>[500C][Cl2]X.X {CH3 -CH = CH2 ->[500^{\circ}C][Cl_2]}X. X is

A

ClCH2CH=CH2ClCH_2 -C H = CH_2

B

C

CH3CH=CHClCH_3 -CH = CHCl

D

none of the above

Answer

ClCH2CH=CH2ClCH_2 -C H = CH_2

Explanation

Solution

The alkyl group of the alkenes undergo substitution at high temperature. Chlorine or bromine replace hydrogen of the alpha carbon atom with respect to the double bond of alkyl group at about 500C500^{\circ}C without breaking the double bond (allylic substitution)