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Explain : 2-butene has 2-isomers ? |
Answer» Solution :`CH_(3)CH=CHCH_(3)` is but-2-ene. C=C has `pi` bond, there is restricted ROTATION, there are cis and trans isomers.  For BREAKING of `pi`-bond `284 kJ` energy is used. It `pi`-bonds is broken, then but-2-ene structure is not there. These AMOUNT of energy is not OBTAINED at room temperature. (Due to restriction rotation .C=C., their are cis and trans isomers. |
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