The total number of acyclic isomers including | vedclass

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(B) The degree of unsaturation $(DU)$ for $C_4H_7Cl$ is $1$. Since the isomers are acyclic,they must contain one double bond.The isomers are:$1.$ $Cl-

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$12$

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(B) The degree of unsaturation $(DU)$ for $C_4H_7Cl$ is $1$. Since the isomers are acyclic,they must contain one double bond.The isomers are:$1.$ $Cl-CH=CH-CH_2-CH_3$ ($1$-chlorobut-$1$-ene): $2$ isomers ($cis$ and $trans$).$2.$ $CH_2=C(Cl)-CH_2-CH_3$ ($2$-chlorobut-$1$-ene): $1$ isomer.$3.$ $CH_2=CH-CH(Cl)-CH_3$ ($3$-chlorobut-$1$-ene): $2$ isomers (chiral center,$R$ and $S$).$4.$ $CH_2=CH-CH_2-CH_2-Cl$ ($4$-chlorobut-$1$-ene): $1$ isomer.$5.$ $Cl-CH_2-CH=CH-CH_3$ ($1$-chlorobut-$2$-ene): $2$ isomers ($cis$ and $trans$).$6.$ $CH_3-C(Cl)=CH-CH_3$ ($2$-chlorobut-$2$-ene): $2$ isomers ($cis$ and $trans$).$7.$ $Cl-CH=C(CH_3)_2$ ($1$-chloro-$2$-methylprop-$1$-ene): $1$ isomer.$8.$ $CH_2=C(CH_3)-CH_2-Cl$ ($3$-chloro-$2$-methylprop-$1$-ene): $1$ isomer.Total = $2 + 1 + 2 + 1 + 2 + 2 + 1 + 1 = 12$.

The total number of acyclic isomers including the stereoisomers with the molecular formula $C_4H_7Cl$ is:

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