Question

Which of the following is 'ambident nucleophile'?

• A. $N{O}_2^{-}$
• B. $C{N}^{-}$
• C. $O{H}^{-}$
• D. $B{r}^{-}$

Answer 1

Answer: (A), (B)

The correct options are
A $N{O}_2^{-}$
B $C{N}^{-}$

Ambident nucleophile: Nucleophile which have two nucleophilic centers are called ambident nucleophiles.
$N{O}_2^{-}$ and $C{N}^{-}$ can provide electron through both atoms so they are ambident nucleophiles.