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Question
The heat of hydrogenation of hexene is 127 K J/ mole .When a second double bond is introduced in the molecule, the heat of hydrgenation of the diene is found to be 23KJ / mole. The diene is most likely to be
The heat of hydrogenation of hexene is 127 K J/ mole .When a second double bond is introduced in the molecule, the heat of hydrgenation of the diene is found to be 23KJ / mole. The diene is most likely to be
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Solution
The correct option is B Hexa - 1, 3 - diene
As the heat of hydrogenation is less than 127 × 2; the diene must be stable due to resonance. So it should be hexa - 1, 3 - diene.
Hexa - 1, 3 - diene
As the heat of hydrogenation is less than 127 × 2; the diene must be stable due to resonance. So it should be hexa - 1, 3 - diene.
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