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Question
Give reasons:
Conc. \[\ce{H2SO4}\] is a good drying agent, yet it is not used to dry \[\ce{NH3}\].
Solution
Conc. \[\ce{H2SO4}\] is not used to dry ammonia, as ammonia being basic reacts with Conc. \[\ce{H2SO4}\].
\[\ce{2NH3 + H2SO4 -> \underset{(Ammonium sulphate)}{(NH4)2SO4}}\]
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