A) \[{{H}_{2}}S\]
B) \[P{{H}_{3}}\]
C) \[S{{O}_{2}}\]
D) none of these
Correct Answer: B
Solution :
\[{{\text{H}}_{\text{2}}}\text{S}\]has smell of rotten eggs and is produced during decay of organic matter. \[\text{S}{{\text{O}}_{2}}\]has pungent odour of burning sulphur while phosphene \[(P{{H}_{3}})\] has an odour of rotten fish.
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