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Question

Addition of bromine to 1,3butadiene gives:
  1. 1,2 addition product
  2. 1,4 addition product
  3. Both 1,2 and 1,4 addition products
  4. No reaction

A
1,2 addition product
B
1,4 addition product
C
Both 1,2 and 1,4 addition products
D
No reaction
Solution
Verified by Toppr

1,3-butadiene accompanies the bromine molecule to form two products.

They are 1,2-add products and 1,4-surplus products.

At low temperatures, the 1,2-pair is predominant but at higher temperatures, the 1,4-pair is predominant.Products A and B will be on this basis.

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