Question

In which of the following 2nd anion is more stable than first?
A. `O_(2)N-overset(Ɵ)CH_(2) and F-overset(Ɵ)CH_(2)`
B. `overset(Ɵ)CF_(3)andoverset(Ɵ)C Cl_(3)`
C. `F_(3)C-overset(Ɵ)CH_(2)andCl_(3)C-overset(Ɵ)CH_(2)`
D. `CH_(3)-overset(O)overset(||)C-overset(Ɵ)CH_(2)andH_(2)N-overset(Ɵ)CH_(2)`

Answer 1

Correct Answer - B
`overset(Ɵ)C Cl_(3)` is more stabilise than `(Ɵ)CF_(3)` because of d-orbital resonance.