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ICSE Class 10 Chemistry Question 5 of 24

Solved 2023 Question Paper ICSE Class 10 Chemistry — Question 12

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12
Question

Question 1(xii)

The hydrocarbon formed when sodium propanoate and soda lime are heated together:

  1. Methane
  2. Ethane
  3. Ethene
  4. Propane
Answer

Ethane

Reason —

CH3-CH2.COONasodium propionate+NaOHsodalime→ΔCaOC2H6ethane+Na2CO3\underset{\text{sodium propionate}}{\text{C}\text{H}_3\text{-C}\text{H}_2\text{.COONa}} + \underset{\text{sodalime}}{\text{NaOH}} \xrightarrow[\Delta]{\text{CaO}} \underset{\text{ethane}}{\text{C}_2\text{H}_6} + \text{Na}_2\text{CO}_3