Question

Write the balanced chemical equations for the following reactions (9)

(a) Sodium carbonate on reaction with hydrochloric acid in equal molar

concentrations gives sodium chloride and sodium hydrogencarbonate.

(b) Sodium hydrogencarbonate on reaction with hydrochloric acid gives sodium

chloride, water and liberates carbon dioxide.

(c) Copper sulphate on treatment with potassium iodide precipitates cuprous

iodide (Cu2I2), liberates iodine gas and also forms potassium sulphate.

(d) Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at

773K to form ammonia gas.

(e) Sodium hydroxide solution is treated with acetic acid to form sodium acetate

and water.

(f) Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of

concentrated H2SO4 .

(g) Ethene is burnt in the presence of oxygen to form carbon dioxide, water and

releases heat and light.

(h) Thermit reaction, iron (III) oxide reacts with aluminium and gives molten

iron and aluminium oxide.

(i) Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid

magnesium nitride.

(j) Chlorine gas is passed in an aqueous potassium iodide solution to form

potassium chloride solution and solid iodine.

(k) Ethanol is burnt in air to form carbon dioxide, water and releases heat.​

Answer 1

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Answer 2

Answer:

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