D-And F-Block Elements Ques 82

Question: How $ H_2S $ is liberated in laboratory

[JEE Orissa 2004]

Options:

A) $ FeSO_4+H_2SO_4 $

B) $ FeS+dil.\ H_2SO_4 $

C) $ FeS+conc\text{. }H_2SO_4 $

D) Elementary $ H_2 $ + elementary S

Show Answer

Answer:

Correct Answer: B

Solution:

$ FeS+H_2SO_4\to FeSO_4+H_2S $



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