Which of the following statement is /are correct

Options

A. Ionic compound are less soluble in `D_2O" than "H_2O`
B. The temperature of maximum density of `H_2O` is less than that `D_2O`
C. Deuterium compound, can be prepared by exchange reaction where deuterium is exchange for hydrogen under suitable conditions
D. `D_2O` has more `K_a` than that of water

Answer

A, B, C

Explanation

a) Ionic compounds are less soluble in `D_2O` than `H_2O`
b) The temperature of maximum density of `H_2O` is less than that of `D_2O`
c) Deuterium compound, can be prepared by exchange reaction where deuterium is exchanges for hydrogen under suitable condiition.