Stability of following alkenes in the increasing order is -
A
I<III<IV<II
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B
I<II<III<IV
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C
IV<III<II<I
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D
II<III<IV<I
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Solution
The correct option is AI<III<IV<II Stability of alkenes is decided by number of hyper conjugations (hydrogens) attached to it.
As refer to the above image, II is highly stable because carbanions are highly stable in IInd configuration. Trans alkene stable because of less repulsions.