The electrophilic centre in the following is(i) CH3CHO(ii) CH3CN

1.
The electrophilic centre in the following is
(i) CH₃CHO
(ii) CH₃CN

1. Carbon in (i) and nitrogen in (ii)2. Carbon in (i) and carbon in (ii)3. Oxygen in (i) and nitrogen in (ii)4. Oxygen in (i) and carbon in (ii)