189245 \({H_2}S{O_4}\) acts as dehydrating agent in its reaction with
Sulphuric acid acts as a dehydrating agent in its reaction with \(H _2 C _2 O _4\).
189247 In presence of moisture, \(S{O_2}\) can
(b)Lose of electron.
189248 A gas that cannot be collected over water is
(c) \(S{O_2}\) is soluble in water\({H_2}O + S{O_2}\,\, \to \,\,\mathop {{H_2}S{O_3}\,\,\,\,\,\,}\limits_{{\rm{Sulphurus acid}}}\)
189257 When \(Pb{O_2}\) reacts with conc. \(HN{O_3}\) the gas evolved is
(b) \(Pb{O_2}\) is a powerful oxidizing agent and liberate \({O_2}\) when treated with acids \(SO,\;{O_2}\) gas will be evolved.
