Weight (g) of two moles of the organic compound, which is obtained by heating sodium ethanoate with sodium hydroxide in presence of calcium oxide is :

1. 18

2. 16

3. 32

4. 30

Doubtly Asked 30 Oct 2026 NEET UG 2023 Practice test neet Save WhatsApp Report

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Answer: 3. 32

Key idea: Sodium ethanoate heated with soda lime (NaOH + CaO) undergoes decarboxylation to give an alkane with one carbon fewer.

\(\mathrm{CH_3COONa + NaOH \xrightarrow{CaO,\ \Delta} CH_4 + Na_2CO_3}\)

The organic compound is methane, molar mass 16 g/mol. Two moles weigh 32 g. Option 3.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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