The product of the following reaction is:CH_3 | vedclass

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(B) The reaction of an alkene with $MCPBA$ (meta-chloroperbenzoic acid) in $CH_2Cl_2$ is an epoxidation reaction.This reaction is stereospecific,meani

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(B) The reaction of an alkene with $MCPBA$ (meta-chloroperbenzoic acid) in $CH_2Cl_2$ is an epoxidation reaction.This reaction is stereospecific,meaning the stereochemistry of the starting alkene is preserved in the product.Since the starting material is $cis-but-2-ene$,the product will be $cis-2,3-dimethyloxirane$ (cis-epoxide).Therefore,the correct product is the one where the two methyl groups are on the same side of the epoxide ring.

The product of the following reaction is:
$CH_3-CH=CH-CH_3 \xrightarrow{MCPBA, CH_2Cl_2} \text{Product}$

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The product of the following reaction is:$CH_3-CH=CH-CH_3 \xrightarrow{MCPBA, CH_2Cl_2} \text{Product}$