1.

Write balanced equations and name the products formed when:(a) Sodium hydrogen carbonate is added to nitric acid(b) cupric oxide reacts with nitric acid(c) zinc reacts with dilute nitric acid(d) concentrated nitric acid is heated

Answer»

(a) When Sodium hydrogen carbonate is added to nitric acid sodium nitrate, carbon dioxide and water is formed.

NaHCO3 + HNO3  NaNO3 + H2O + CO2

(b) When Cupric oxide reacts with dilute nitric acid, it forms Copper nitrate.

CuO + 2HNO3  Cu(NO3)2 + H2O

(c) Zinc reacts with nitric acid to form Zinc nitrate, nitric oxide and water.

3 Zn + 8HNO3  3Zn(NO3)2 + 4H2O + 2NO

(d) 4HNO3  2H2O + 4NO2 + O2



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