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H2S gas cannot be dried over conc.H2SO4 ...

`H_2S` gas cannot be dried over conc.`H_2SO_4` because

A

the acid oxidises it

B

the acid combines with `H_2S` to form a salt

C

both forms a complex

D

`H_2SO_4` is not a drying agent.

Text Solution

Verified by Experts

The correct Answer is:
A
`H_2SO_4` oxidises `H_2S` gas
`H_2S + H_2SO_4 to 2H_2O + SO_2 +S`
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