The sum of sigma (sigma) and pi (pi) bonds in | vedclass

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(C) The structure of $Hexa-1,3-dien-5-yne$ is $CH_2=CH-CH=CH-C\equiv CH$.To find the number of $\sigma$ bonds,count all single bonds and one bond from

Vedclass · Accepted Answer

$15$

Vedclass · Answer

(C) The structure of $Hexa-1,3-dien-5-yne$ is $CH_2=CH-CH=CH-C\equiv CH$.To find the number of $\sigma$ bonds,count all single bonds and one bond from each multiple bond: $2$ $(C-H)$ + $1$ $(C=C)$ + $1$ $(C-H)$ + $1$ $(C-C)$ + $1$ $(C-H)$ + $1$ $(C=C)$ + $1$ $(C-H)$ + $1$ $(C-C)$ + $1$ $(C-C)$ + $1$ $(C\equiv C)$ + $1$ $(C-H)$ = $11$ $\sigma$ bonds.To find the number of $\pi$ bonds,count the second bond in double bonds and the second and third bonds in triple bonds: $1$ $(C=C)$ + $1$ $(C=C)$ + $2$ $(C\equiv C)$ = $4$ $\pi$ bonds.Total sum = $11 + 4 = 15$.

The sum of sigma $(\sigma)$ and pi $(\pi)$ bonds in $Hexa-1,3-dien-5-yne$ is $...........$.

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