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In the laboratory H2S gas is prepared b...

In the laboratory `H_2S ` gas is prepared by using black lumps and dil. `H_2SO_4`. The black lumps are

A

`FeSO_(4)`

B

`MnO_(2)`

C

FeS

D

`FeSO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
In laboratory , `H_2S` is prepared by treating ferrous sulphide (black lumps ) with dil. `H_2SO_4`.
`FeS +H_(2)SO_(4)("dil.")to FeSO_(4)+H_(2)S `
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