In which of the following molecules do all th | vedclass

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(C) To exhibit all three effects (inductive,mesomeric,and hyperconjugation),a molecule must have a conjugated system (for mesomeric effect),an electro

Vedclass · Accepted Answer

$1-$acetyl$-2-$methylcyclohex$-1-$ene

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(C) To exhibit all three effects (inductive,mesomeric,and hyperconjugation),a molecule must have a conjugated system (for mesomeric effect),an electronegativity difference (for inductive effect),and $\alpha$-hydrogen atoms attached to an $sp^3$ hybridized carbon adjacent to a $\pi$-system (for hyperconjugation).$1$. In $1$-acetyl-$2$-methylcyclohex-$1$-ene,the methyl group attached to the double bond provides hyperconjugation due to $\alpha$-$H$ atoms.$2$. The carbonyl group $(-COCH_3)$ is conjugated with the double bond,exhibiting the mesomeric effect $(-M)$.$3$. The electronegativity difference between the carbons of the double bond and the attached substituents creates an inductive effect ($-I$ or $+I$).Thus,this molecule satisfies all three conditions.

In which of the following molecules do all the effects,namely inductive,mesomeric,and hyperconjugation,operate?

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