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When CO(2) is bubbled throgh a solution ...

When `CO_(2)` is bubbled throgh a solution of barium peroxide in water

A

`O_(2)` is released

B

Carbonic acid is formed

C

`H_(2)O_(2)` is formed

D

No reaction occurs

Text Solution

Verified by Experts

The correct Answer is:
C
When `CO_(2)` is bubbled through a cold pasty solution of barium peroxide in water, `H_(2)O_(2)` is obtained
`BaO_(2)+CO_(2)+H_(2)O to BaCO_(3) +H_(2)O_(2)`
Barium carbonate being insoluble is filtered off. This is known as merck's process
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The chemical formula of barium peroxide is -

Calculate the mass of BaCO_(3) produced when excess CO_(2) is bubbled through a solution containing 0.205 moles of Ba(OH)_(2) .