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 $