question_answer

Which statement best explains why A is more acidic than B?

A)  The larger size of ketone group helps to stabilize the conjugate base

B)  The ketone group exert a large inductive effect in conjugate base of A

C) The ketone group allows for resonance delocalisation of the charge in conjugate base

D)  The OH oxygen in A is more electronegative than the OH oxygen in B

Correct Answer: C

Solution :

  Compound A is more acidic than B because of the delocalisation of the charge in its conjugate base due to resonance.