Question

Number of optically inactive stereoisomers of the following molecule is .
`CH_3-CH=CH-undersetunderset(OH)(|)CH-CH=CH-undersetunderset(OH)(|)CH-CH=CH-CH_3`

Answer 1

Correct Answer - 4
No of optically inactive isomers `=2 (n-1)/2 =2 (5-1)/2=2 4/5 =2^2 =4`