Alkyl halide undergoes nucleophilic substitution reaction in which halogen atom is replaced by other atom.
`RX+ Nu:^(-) rarr Nu- R + X^(-)`
Which of the following has highest nucleophilicity ?

Options

A. `SH^(-)`
B. `H_(2)O`
C. `OH^(-)`
D. `F^(-)`

Answer

A

Explanation

Lesser the electronegativity of the donor atom, more is its tendency to donate a pair of electron and stronger is the nucleophile.