The units of ionic product of water `(K_(w))` are

Options

A. `mol^(-1) L^(-1)`
B. `mol ^(-2) L^(-2)`
C. `mol^(-2) L^(-1)`
D. `mol^(2)L^(-2)`

Answer

D

Explanation

`K_(w)=[H^(+)][OH^(-)]`
Units of `K_(w)=(mol L^(-1))(mol L^(-1))`
`=mol^(2)L^(-2)`