1Here electron of O attacks carbonyl carbon so in B carbonyl carbon is most electron deficient.. also reverse reaction leads to +ve charge at carbonyl carbon hence B is less favored for reverse reaction. hence (B)
2 Answers
11With organic acids inductive effects and mesomeric effects affect the pKa values
The presence of electron-withdrawing effect of the substituent makes ionisation easier
for me the answer should be (B)
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