Question

Which of the following is/are nucleophiles?

• A. $P{H}_3$
• B. $Ph{S}^{-}$
• C. $F^{-}$
• D. All of the above.

Answer 1

The correct option is D All of the above.

A reagent which donates an electron pair to an electron deficient centre is known as nucleophiles.
(a) $P{H}_3$ is a nucleophile since it has lone pair of $e^{-}$s on $\stackrel{..}{P}$ to donate.
(b) $Ph{S}^{-}$ has negative charge and hence is nucleophile.
(c)$F^{-}$ has negatively charged species thus it also act as nucleophile.
Hence option (d) is correct.