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Predict the number of stereoisomers for ...

Predict the number of stereoisomers for 2, 5-heptadiene.

A

4

B

3

C

2

D

5

Text Solution

Verified by Experts

The correct Answer is:
B

Terminal groups are same. The number of double bonds is two (even number).
` therefore ` Number of geometrical isomers = `2^(n-1) + 2^((n-2)//2)=2^1 +2^0 = 2+1=3 `
where .n. is the number of double bonds.
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