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(X)(Black)overset("dil. "H(2)SO(4))to (Y...

(X)(Black)`overset("dil. "H_(2)SO_(4))to (Y)(gas)overset("dil. "HNO_(3))to`colloidal sulphur, identify (X):

A

CuS

B

FeS

C

`As_(2)S_(3)`

D

`CdS`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset(("Black"))(FeS)overset(Dil.H_(2)SO_(4))toH_(2)Soverset(Dil.HNO_(3))tounderset("colloidal sulphur")(S)+NO_(2)+2H_(2)O`
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