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In the preparation of H2O2 from BaO2 , ...

In the preparation of `H_2O_2` from `BaO_2 , phosphoric acid is preferred to sulphuric acid because

A

The soluble impurities like barium persulphate catalyse the decomposition of `H_2O_2`

B

`H_3PO_4` increases the stability of `H_2O_2`

C

The `BaSO_4` layer prevents further reaction between `BaO_2` and dil `H_2SO_4`

D

all the above

Text Solution

Verified by Experts

The correct Answer is:
D
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