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On passing electricity through acidulate...

On passing electricity through acidulated water, the gaseous products obtained are collected in two separate test tubes A and B. The volume of the gas collected in test tube A is double the volume of gas collected in test tube B. Identify the two gases in test tubes A and B respectively.

A

hydrogen and oxygen

B

oxygen and hydrogen

C

hydrogen peroxide and oxygen

D

oxygen and water vapour

Text Solution

Verified by Experts

The correct Answer is:
A
On passing electricity through acidulated water it decomposes to hydrogen and oxygen. Volume of hydrogen evolved in test tube A is double the volume of oxygen collected in test tube B.
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