Choose the incorrect statement among the foll | vedclass

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Question

(D) Due to the presence of bulky aryl groups,the nucleophilic attack on the $sp^2$ carbon of the $>C=O$ group experiences steric hindrance,decreasing

Vedclass · Accepted Answer

$D$

Vedclass · Answer

(D) Due to the presence of bulky aryl groups,the nucleophilic attack on the $sp^2$ carbon of the $>C=O$ group experiences steric hindrance,decreasing the reaction rate.$(B)$ Fehling's solution is a mild oxidizing agent and cannot oxidize benzaldehyde.$(C)$ Ethanal contains $\alpha$-hydrogens which are acidic due to the electron-withdrawing effect of the carbonyl group,allowing for enolization.$(D)$ The $-NO_2$ group at the $p$-position exerts a strong $-R$ (resonance) and $-I$ (inductive) effect,which increases the partial positive charge on the carbonyl carbon,making it more susceptible to nucleophilic attack. Thus,$p$-nitrobenzaldehyde is more reactive than benzaldehyde. Therefore,statement $D$ is incorrect.

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