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An organic compound C 5 H9Br (A) which readily decolourises bromine water and cold alkaline KMnO4 solution gives C5H11Br (B) on catalytic hydrogenation. The reaction of A with alcoholic KOH first and then with NaNH2 produces C with evolution of NH3 . C reacts with Lindlar’s catalyst to give D and on reaction with Na in liquid NH3 produces E. D and E are isomers. The compound A is: a. CH3CH2CH=C(Br)CH3 b. CH3CH2-C(Br)=CHCH3 c. Both a &b d.Neither a nor b

An organic compound C5H9Br (A) which readily decolourises bromine water and cold alkaline KMnO4 solution gives C5H11Br (B) on catalytic hydrogenation. The reaction of A with alcoholic KOH first and then with NaNH2 produces C with evolution of NH3. C reacts with Lindlar’s catalyst to give D and on reaction with Na in liquid NH3 produces E. D and E are isomers. The compound A is:

a. CH3CH2CH=C(Br)CH3
b. CH3CH2-C(Br)=CHCH3
c. Both a &b 
d.Neither a nor b

Grade:11

1 Answers

Ravleen Kaur
askIITians Faculty 1452 Points
4 years ago
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