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Question

What happens when sodium ethanoate is heated with soda lime?


A

Methane gas is evolved

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B

Ethane gas is evolved

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C

Hydrogen gas is evolved

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D

Carbon dioxide gas is evolved

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Solution

The correct option is A

Methane gas is evolved


Soda lime is in the form of a white porous mass or granules. It is a mixture of sodium hydroxide and calcium oxide.A mixture of sodium ethanoate and soda lime is taken in a hard glass test tube and heated with bunsen flame.The gas evolved is methane gas which is collected by downward displacement of water since it is slightly soluble in water and is lighter than air.

CH3COONa+NaOH3000C−−CaONa2CO3+CH4


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