Which one of the following has the smalJes, heat of hydrogenation per

1.	Which one of the following has the smalJes, heat of hydrogenation per mole of the compound ?
Answer» 1-Butene trans-2-Butene cis-2-Butene 1,3-Butacliene SOLUTION :More the stability of the ring LESSER is heat of HYDROGENATION

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