Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is [2018]

Question

Smart Achievers · Accepted Answer

(4)

$\underset{(A)}{{CH}_{4}} \overset{{Br}_{2} / hv}{\to} {CH}_{3} Br \overset{Na / dry ether Wurtz reaction}{\to} \underset{(Less than 4 carbon atoms)}{{CH}_{3} - {CH}_{3}}$

Solution

Q.
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is [2018]

1 $CH \equiv CH$

2 ${CH}_{2} = {CH}_{2}$

3 ${CH}_{3} - {CH}_{3}$

4 ${CH}_{4}$

Ans.
(4)

$\underset{(A)}{{CH}_{4}} \overset{{Br}_{2} / hv}{\to} {CH}_{3} Br \overset{Na / dry ether Wurtz reaction}{\to} \underset{(Less than 4 carbon atoms)}{{CH}_{3} - {CH}_{3}}$

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Solution

Q. Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is [2018]

1 CH≡CH

2 CH2=CH2

3 CH3-CH3

4 CH4

Ans. (4) CH4(A)→Br2/hvCH3Br→Na/dry ether Wurtz reactionCH3-CH3 (Less than 4 carbon atoms)