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ICSE Class 10 Chemistry 2023 Paper

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SECTION - I
Choose the correct answers to the questions from the given options.
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Question : 12 of 88
Marks: +1, -0
The hydrocarbon formed when sodium propanoate and soda lime are heated together :
Solution:  
(b) Ethane
Explanation: When sodium propanoate and soda lime are heated together, ethane is formed, by decarboxylation reaction.
CH3COONa+NaOH→CaOC2H6+Na2CO3\mathrm{CH}_3 \mathrm{COONa} + \mathrm{NaOH} \xrightarrow{\mathrm{CaO}} \mathrm{C}_2 \mathrm{H}_6 + \mathrm{Na}_2 \mathrm{CO}_3
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