Which of the following sigma-bonds participat | vedclass

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(B) Hyperconjugation occurs due to the interaction of $\sigma$-electrons of a $C-H$ bond attached to an $\alpha$-carbon (a carbon atom directly attach

Vedclass · Accepted Answer

$I$ and $V$

Vedclass · Answer

(B) Hyperconjugation occurs due to the interaction of $\sigma$-electrons of a $C-H$ bond attached to an $\alpha$-carbon (a carbon atom directly attached to an $sp^2$ hybridized carbon atom) with the adjacent empty or partially filled $p$-orbital or $\pi$-orbital.In the given structure,the $\alpha$-carbons are the carbons adjacent to the $C=C$ double bond.Bond $I$ is a $C-H$ bond on an $\alpha$-carbon.Bond $V$ is a $C-H$ bond on an $\alpha$-carbon.Bonds $II$,$III$,and $IV$ are not $C-H$ bonds on $\alpha$-carbons.Therefore,the $\sigma$-bonds $I$ and $V$ participate in hyperconjugation.

Which of the following $\sigma$-bonds participate in hyperconjugation?

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