Question
Question: Arrange in increasing order of heat of hydrogenation of following dienes. <img src="https://cdn.pur...
Arrange in increasing order of heat of hydrogenation of following dienes.
(i) (ii) (iii) (iv) (v)
A
iii< v < i < iv < ii
B
v < i < iv < ii < iii
C
iii> v > i > iv > ii
D
iii > v > iv > i > ii
Answer
iii< v < i < iv < ii
Explanation
Solution
Stability depends on hyperconjugation which further depends on total number of aH.