Question

8. Write the balanced equation for the following chemical reactions.

(i) Hydrogen + Chlorine → Hydrogen chloride

(ii) Barium chloride + Aluminium sulphate → Barium sulphate +

Aluminium chloride

(iii) Sodium + Water → Sodium hydroxide + Hydrogen
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Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

i)Hydrogen chloride may be formed by the direct combination of chlorine (Cl2) gas and hydrogen (H2) gas; the reaction is rapid at temperatures above 250 °C (482 °F). The reaction, represented by the equation H2 + Cl2 → 2HCl, is accompanied by evolution of heat and appears to be accelerated by moisture.

ii)Barium chloride reacts with aluminum sulphate to give aluminum chloride and precipitate of barium sulphate. Hint: Barium chloride stands forBaCl2, aluminum sulphate stands for Al2(SO4)3, barium sulphate stands for BaSO4 and last aluminum chloride stands for AlCl3. Arrange them, chemical reactions and balance them.

iii)The question given to us is, Sodium + Water → Sodium hydroxide + Hydrogen. The balanced Chemical Equation is 2Na+2H2O→2NaOH+H2.