The maximum number of isomers (including ster | vedclass

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(B) The given compound is $3$-methylpentane,$CH_3CH_2CH(CH_3)CH_2CH_3$. Monochlorination can occur at different positions:$1$. Substitution at the ter

Vedclass · Accepted Answer

$8$

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(B) The given compound is $3$-methylpentane,$CH_3CH_2CH(CH_3)CH_2CH_3$. Monochlorination can occur at different positions:$1$. Substitution at the terminal $CH_3$ group (equivalent to $CH_2CH_2Cl$): This creates a chiral center at the $C-3$ position. It forms a pair of enantiomers ($2$ isomers).$2$. Substitution at the $CH_2$ group: This creates two chiral centers (at $C-2$ and $C-3$). This results in $2^2 = 4$ stereoisomers (two pairs of enantiomers).$3$. Substitution at the $CH$ group: The resulting product is $3$-chloro-$3$-methylpentane,which is achiral ($1$ isomer).$4$. Substitution at the $CH_3$ group attached to the $CH$ (i.e.,$CH_2Cl$): This creates a chiral center at the $C-3$ position ($1$ isomer).Total isomers = $2 + 4 + 1 + 1 = 8$.

The maximum number of isomers (including stereoisomers) that are possible on monochlorination of the following compound is:

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