Hyper conjugation phenomenon is possible in:

1.	Hyper conjugation phenomenon is possible in:
Answer» `H_(2)C=CH_(2)` `C_(6)H_(5)CH=CH_(2)` `CH_(3)CH_(2)-CH=CH_(2)` `(CH_(3))_(3)C-CH=CH_(2)` Solution :`alpha` HYDROGENS must PRESENT

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