Chemistry - GOC Question with Solution | TestHub
ChemistryGOCHyper conjugationEasy2 minQB
ChemistryEasysingle choice
Which diene has the larger heat of hydrogenation ? Compare (a) cyclohexa-1,3-diene and (b) cyclohexa-1,4-diene.
(a) 
(b) 
Options:
Answer:
A
Solution:
Cyclohexa-1,3-diene is conjugated and is stabilised by resonance, while cyclohexa-1,4-diene has isolated double bonds. So the 1,4-diene (b) has the larger heat of hydrogenation : a b.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Hyper conjugation
⏱ 2mℹ️ Source: QB
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