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  • Write a balanced chemical equation for each of the following reactions and also classify them. (a) Lead acetate solution is treated with dilute hydrochloric acid to form lead chloride and acetic acid solution.

Write a balanced chemical equation for each of the following reactions and also classify them.

(a) Lead acetate solution is treated with dilute hydrochloric acid to form lead chloride and acetic acid solution.

(b) A piece of sodium metal is added to absolute ethanol to form sodium ethoxide and hydrogen gas.

(c) Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas.

(d) Hydrogen sulphide gas reacts with oxygen gas to form solid sulphur and liquid water.

Answers (1)

(a) Pb(CH3COO)_2 + 2HCl \rightarrow PbCl_2 + CH_3COOH

This is a Double Displacement reaction.

(b) 2Na + 2C_2H_5OH \rightarrow 2C_2H_5O^-Na^+ + H_2

This is a Displacement reaction.

(c) Fe_2O_3 + 3CO \rightarrow 2Fe + 3CO_2

This is a redox reaction.

(d) 2H_2S + O_2 \rightarrow 2S + 2H_2O

This is a redox reaction.

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