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ICSE Class 10 Chemistry Question 24 of 93

Organic Chemistry — Question 11

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Question

Question 11

Name the compound prepared from:

(a) Sodium propionate

(b) Methyl iodide and

(c) Ethyl bromide.

Write a balanced equation for the same.

Answer

(a) Sodium propionate : compound prepared are ethane and sodium carbonate

C2H5COONasodium propionate+NaOHsodalime→ΔCaOC2H6ethane↑+Na2CO3\underset{\text{sodium propionate}}{\text{C}_2\text{H}_5\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

(b) Methyl iodide : compound prepared are methane and hydrogen iodide

CH3Imethyl iodide+2[H]nascent hydrogen→alcoholZn/Cu coupleCH4methane↑+HI\underset{\text{methyl iodide}}{\text{CH}_3\text{I}} + \underset{\text{nascent hydrogen}}{2\text{[H]}} \xrightarrow[\text{alcohol}]{\text{Zn/Cu couple}} \underset{\text{methane}}{\text{CH}_4} ↑ +\text{HI}

(c) Ethyl bromide : compound prepared are ethane and hydrogen bromide

C2H5Brethylbromide+2[H]nascent hydrogen→alcoholZn/Cu coupleC2H6ethane↑+HBr\underset{\text{ethylbromide}}{\text{C}_2\text{H}_5\text{Br}} + \underset{\text{nascent hydrogen}}{2\text{[H]}} \xrightarrow[\text{alcohol}]{\text{Zn/Cu couple}} \underset{\text{ethane}}{\text{C}_2\text{H}_6} ↑+\text{HBr}