Write the Balanced Chemical Equations for each of the following Reactions? Classify them?
1. A piece of sodium metal reacts with H₂SO₄.
2.Iron oxide (Fe₂O₃) on heating with carbon forms solid iron and carbon dioxide.
3.Hydrogen Sulphide gas reacts with oxygen to give Sulphur and Water.
4.Iron reacts with Steam to form Iron Oxide and hydrogen gas.
5.Lead displaces copper from cupric Chloride Solution.

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Solution

Dear Student,

Here are the answers

1. $2 N a + H_{2} S O_{4} \to N a_{2} S O_{4} + H_{2}$
2. $F e_{2} O_{3} + 3 C O \overset{Δ}{\to} 2 F e + 3 C O_{2}$
3. $2 H_{2} S + 3 O_{2} \overset{}{\to} 2 H_{2} O + 2 S O_{2}$
4. $6 F e + 8 H_{2} O \overset{}{\to} 2 F e_{3} O 4 + 8 H_{2}$
5. $C u C l_{2} (a q) \to C u (s) + P b C l_{2}$

All reactions are classified as redox reactions.

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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.

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

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(b) Phosphorus burns in oxygen to give phosphorus pentoxide.

(d) Aluminium metal replaces iron from ferric oxide, $F e_{2} O_{3}$ , giving aluminium oxide and iron.

(e) Barium chloride reacts with zinc sulphate to give zine chloride and barium sulphate.

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