How many structures are possible for C_5H_8 w | vedclass

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(B) The molecular formula $C_5H_8$ corresponds to the general formula $C_nH_{2n-2}$,which indicates the presence of one triple bond (alkyne) or two do

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$3$

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(B) The molecular formula $C_5H_8$ corresponds to the general formula $C_nH_{2n-2}$,which indicates the presence of one triple bond (alkyne) or two double bonds (alkadiene). For $C_5H_8$ with one triple bond,the possible structural isomers are: $1$. $CH_3-CH_2-CH_2-C \equiv CH$ (Pent$-1-$yne) $2$. $CH_3-CH_2-C \equiv C-CH_3$ (Pent$-2-$yne) $3$. $CH_3-CH(CH_3)-C \equiv CH$ ($3$-Methylbut$-1-$yne) Thus,there are $3$ possible structures.

How many structures are possible for $C_5H_8$ with one triple bond?

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