Chemistry - GOC Question with Solution | TestHub
ChemistryGOCHyper conjugationHard2 minQB
ChemistryHardsingle choice
Which alkene has the larger heat of hydrogenation ? Compare (a) 3-methylcyclopentene and (b) 1-methylcyclopentene.
(a) 
(b) 
Options:
Answer:
C
Solution:
In (a) the double bond is disubstituted. In (b) it is trisubstituted and carries more α-hydrogens, so (b) is more stable. The less stable alkene (a) has the larger heat of hydrogenation : a b.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Hyper conjugation
⏱ 2mℹ️ Source: QB
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