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Ethanoic Acid or Acetic Acid

Which gas is ...

Question

Which gas is produced when compound $X$ reacts with washing soda?

A

Hydrogen

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B

Oxygen

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C

Methane

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D

Carbon dioxide

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Solution

The correct option is D Carbon dioxide
(a) X is ethanoic acid, $C H_{3} C O O H$ .
(b) Compound X can be obtained from compound Y by the action of an acid or a base i.e. by saponification.
(c) CO2 gas is produced.
$C H_{3} C O O H + N a_{2} C O_{3} \to 2 C H_{3} C O O N a + C O_{2}$

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