Which of the following arrangements with resp | vedclass

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Question

(C) The reactivity of carbonyl compounds towards nucleophilic addition reactions depends on two factors: steric hindrance and electronic effects.$1$.

Vedclass · Accepted Answer

acetophenone < $p$-tolualdehyde < benzaldehyde < $p$-nitrobenzaldehyde

Vedclass · Answer

(C) The reactivity of carbonyl compounds towards nucleophilic addition reactions depends on two factors: steric hindrance and electronic effects.$1$. Steric hindrance: Ketones are less reactive than aldehydes due to the presence of two bulky alkyl/aryl groups. Thus,acetophenone is the least reactive among the given compounds.$2$. Electronic effects: Electron-withdrawing groups (like $-NO_2$) increase the electrophilicity of the carbonyl carbon,thereby increasing reactivity. Electron-donating groups (like $-CH_3$) decrease the electrophilicity,thereby decreasing reactivity.Comparing the compounds:- Acetophenone: Ketone,least reactive.- $p$-Tolualdehyde: Contains an electron-donating $-CH_3$ group,making it less reactive than benzaldehyde.- Benzaldehyde: Standard reactivity.- $p$-Nitrobenzaldehyde: Contains an electron-withdrawing $-NO_2$ group,making it the most reactive.Therefore,the correct order of reactivity is: $acetophenone < p-tolualdehyde < benzaldehyde < p-nitrobenzaldehyde$.

Which of the following arrangements with respect to their reactivity in nucleophilic addition reaction is correct?

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