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Chemistry
Which is the correct order for heat of hydrogenation?
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Q. Which is the correct order for heat of hydrogenation?
Hydrocarbons
A
Hept-1-ene < Hept-3-ene < 2-Methylhex-2-ene
B
3-Methylcyclooctene < 1-Methylcyclooctene < 1,2-Dimethylcyclooctene
C
3-Ethyloct-1-ene < 2-Ethyloct-1-ene < Oct-2-ene
D
Ethene < ethyne
Solution:
Heat of hydrogenation
$\propto \frac{1}{\text { Stability of alkene or crowding across } \pi \text { bond }}$