1.

CH_(2)=underset((I))(CH)-CH=CH-CH_(3) is more stable than CH_(3)-underset((II))(CH=C)=CH-CH_(3) because

Answer»

there is RESONANCE in I but not in II
there is TAUTOMERISM in I but not in II
there is HYPERCONJUGATION in I but not in II
II has more canonical STRUCTURES than I.

Answer :A


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