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Cross Aldol Condensation

i Write Hell ...

Question

(i) Write Hell - Volhard - Zelinsky reaction.
(ii) Write cross - aldol condensation.
(iii) Ethanoic acid is weaker acid than benzoic acid. Why?

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Solution

$(i)$ HVZ reaction: Refer IMAGE $01$
$(i i)$ Cross-aldol condensation: Refer IMAGE $02$
$(i i i)$ Ethanoic acid is weaker than Benzoic acid: because aryl groups are more electrons withdrawing groups than aliphatic group.
Hence, Ethanoic acid is weaker acid.

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Benzoic acid is stronger than methanoic acid but weaker than ethanoic acid.

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