Chemistry - GOC Question with Solution | TestHub
ChemistryGOCHyper conjugationMedium2 minQB
ChemistryMediumsingle choice
Arrange the following compounds in decreasing order of heat of hydrogenation.
(I) 
(II) 
(III) 
Options:
Answer:
C
Solution:
A less stable alkene gives out more heat. Count the α-hydrogens : (I) has 3, (II) has 10 (a tetrasubstituted double bond) and (III) has 4.
Stability : II III I, so the heat of hydrogenation order is I III II.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Hyper conjugation
⏱ 2mℹ️ Source: QB
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