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  4. Compare heat of hydrogenation of the following <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-sarvzcmh1hxq.png />

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Q. Compare heat of hydrogenation of the following

Question

NTA AbhyasNTA Abhyas 2020Organic Chemistry – Some Basic Principles and Techniques

Solution:

For isomeric alkene

Heat of hydrogenation $ \propto \frac{1}{Stabilities \, of alkene}$

Solution

More the number of $\alpha $ - hydrogen atoms, more is the stability of alkene and less is the heat of hydrogenation value.