1.

Assertion: Anhydrous BaO_(2)is used for preparing H_(2)O_(2). Reason : Hydrated BaO_(2) is not available.

Answer»

If both ASSERTION and reason are true and the reason is the correct EXPLANATION of the assertion
If both assertion and reason are true but reason is nto the correct exaplation of the assertion
If assertion is true but reason is false
If the assertion and reason both are false

Solution :Anhydrous `BaO_(2)` is not USED for preparing `H_(2)O_(2)` because it reacts with `H_(2)SO_(4)` and the reaction ceases after some time due to formation of `BaSO_(4)` on `BaO_(2)`. Therefore, assertion and reason both are false.


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