Which of the following is not true

Options

A. Ordinary water is electrolysed more rapidly than `D_2O`
B. Reaction between `H_2` and `Cl_2` is much faster than `D_2` and `Cl_2`
C. `D_2O` freezes at lower temperature than `H_2O`
D. Bond dissociation energy for `D_2` is greater than `H_2`

Answer

C

Explanation

`D_2O` actually has higher freezing point `(3.8^@C)` than water `H_2O (0^@C).`