When Sodium carbonate and sodium sulphite react with hydrochloric acid (two separate reactions), the gases evolved are

C O_{2}

and

S O_{2}

respectively

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C l_{2}

and

S O_{2}

respectively

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S O_{2}

and

C O_{2}

respectively

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All of the above

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Solution

The correct option is A $C O_{2}$ and $S O_{2}$ respectively
Sodium carbonate on reaction with hydrochloric acid liberates carbondioxide and sodium sulphite on reaction with hydrochloric acid liberates sulphurdioxide
$N a_{2} C O_{3} + 2 H C l \to 2 N a C l + H_{2} O + C O_{2}$
$N a_{2} S O_{3} + 2 H C l \to 2 N a C l + H_{2} O + S O_{2}$

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Similar questions

Q. Identify the gas evolved and give the chemical test in each of the following case :
(i) Dilute hydrochloric acid reacts with sodium sulphite.
(ii) Dilute hydrochloric acid reacts with iron (II) sulphide.

What happens when sodium sulphites react with dilute hydrochloric acid?

How will the action of dilute hydrochloric acid enable you to distinguish between the following :
(a) Sodium carbonate and sodium sulphite
(b) Sodium thiosulphate and sodium sulphite.

Q. Name the gas evolved in each of the following cases:
(i) Copper carbonate is heated strongly.
(ii) Action of dilute hydrochloric acid on sodium sulphite.
(iii) Nitrogen combines with hydrogen.
(iv) Action of dilute sulphuric acid on sodium carbonate.
(v) Addition of sodium to cold water.

Q. Name the gas evolved when dilute hydrochloric acid is added to: [2 MARKS]
a) Calcium carbonate
b) Sodium sulphite

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When Sodium carbonate and sodium sulphite react with hydrochloric acid (two separate reactions), the gases evolved are

The correct option is A CO2 and SO2 respectivelySodium carbonate on reaction with hydrochloric acid liberates carbondioxide and sodium sulphite on reaction with hydrochloric acid liberates sulphurdioxide Na2CO3+2HCl→2NaCl+H2O+CO2 Na2SO3+2HCl→2NaCl+H2O+SO2