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Organic Chemistry — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryOrganic Chemistry2 Marks
Question
How is methane prepared in the laboratory ?
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Answer

Laboratory preparation of methane :
When the mixture of sodium ethanoate and soda-lime is taken in a hard glass test tube and heated, the gas evolved is methane. It is collected by downward displacement of water.
$
CH _3 COONa + NaOH \xrightarrow{ CaO , 300^{\circ} C } Na _2 CO _3+ CH _4
$

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