ICSE Class 10 Chemistry
Question 53 of 63
Study of Compounds — Nitric Acid — Question 53
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Question Question 1(2017)
Write the balanced chemical equation for –
(i) Action of cold and dilute nitric acid on copper.
(ii) Action of conc. nitric acid on sulphur.
(iii) Laboratory preparation of nitric acid.
(i) 3Cu + 8HNO3 [dil.] ⟶ 3Cu(NO3)2 + 4H2O + 2NO(g)
(ii) S + 6HNO3 [conc.] ⟶ H2SO4 + 2H2O + 6NO2
(iii) KNO3 [conc.] + H2SO4 [conc.] KHSO4 + HNO3