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Among the following alkenes: {:(1-"But...

Among the following alkenes:
`{:(1-"Butene,",cis-2-"Butene",,"trans"-2-"Butene",),(" "I," "II," "III):}`

A

`III gt II gt II`

B

`III gt I gt II`

C

`I gt IIgt III`

D

`II gt I gt III`

Text Solution

Verified by Experts

The correct Answer is:
A
Due to hyperconjugation, more substituted alkene is more stable. If alkene exhibits geometrical isomerism, then trans-isomer is releativity more stable than cis-isomer on account of less steric hidrance. Thus, the correct order of stability is
`"trans"-2-"Butene" gt "cis"-2-"Butene" gt 1-"Butene"`
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