Question

For the carbanion H2C- -X to be most stable, X must be
(a) Cl
(b) RH2N+
(c)OH
(d) COO​

Answer 1

Answer:

Option (d) is the right answer

Explanation:

For the carbanion to be stable, the negative charge must be reduced. So the attached group must withdraw the electrons.

The right answer is that group which has higher capacity to withdraw electrons.