Question

Which of the following gives a gas with smell or rotten eggs with dil `H_(2)SO_(4)` ?
A. `CO_(3)^(2)`
B. `SO_(3)^(2-)`
C. `S^(2-)`
D. `NO_(2)^(-)`

Answer 1

Correct Answer - C
`S^(2-)+H_(2)SO_(4)rarrH_(2)S+SO_(4)^(-2)`
`H_(2)S` is foul smelling gas with smell of rotten eggs.