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Question

When chlorine is passed through propene at 400oC, which of the following is formed?

A
PVC
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B
Allyl chloride
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C
Vinyl chloride
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D
1,2-Dichloroethane
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Solution

The correct option is B Allyl chloride
When chlorine gas is reacted with propene at high temperature (400C), then substitution takes place in place of addition reaction. Hence, allyl chloride is formed.

CH3CH=CH2Cl400C−−ClCH2CH=CH2+HCl.

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