Which of the following alkenes on ozonolysis gives a mixture of ketone

1.	Which of the following alkenes on ozonolysis gives a mixture of ketones only?
Answer» `CH_(3)-CH=CH-CH_(3)` `CH_(3)-UNDERSET(CH_(3))underset(\|)(C)-CH=CH_(2)` `H_(2)C=CH_(2)` Answer :C

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