Which concentrated `H_2 SO_4` can be used to dry the gas ?A. `H_2 S`B. – InterviewSolution

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1.	Which concentrated `H_2 SO_4` can be used to dry the gas ?A. `H_2 S`B. `CO_2`C. `NH_3`D. All
Answer» Correct Answer - B `Conc. H_(2) SO_(4)` reacts with `H_(2) S` and `NH_(3)`, while `CO_(2)` remains unaffected, hence `conc. H_(2) SO_(4)` can be used to dry `CO_(2)` gas. `H_(2) S + H_(2) SO_(4) rarr S darr + 2H_(2) O + SO_(2)` `2 NH_(3) + H_(2) SO_(4) rarr (N_(4))_(2) SO_(4)`.

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