Acidified solution of chromic acid on treatment with hydrogen peroxide yields

Options

A. `CrO_3 + H_2O + O_2`
B. `CrO_3 + H_2O + O_2`
C. `CrO_5 + H_2O`
D. `H_2Cr_2O_7 + H_2O + O_2`

Answer

C

Explanation

The term chromic acid is usually used for a mixture made by adding concentrated sulphuric acid to dichromate.
`underset("Chromic acid")ubrace(K_2Cr_2O_7 + H_2SO_4) + 4H_2O_2 to K_2SO_4 + 2CrO_5 + 5H_2O`