Which of the following is not true?

Options

A. `D_2O` freezes at lower temperature than `H_2O`
B. Reaction between `H_2` and `Cl_2` is much faster than `D_2` and `CI_2`
C. Ordinary water electrolysed more rapidly than `D_2O`
D. Bond dissociation energy of `D_2` is greater than `H_2`

Answer

A

Explanation

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