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Question

An alkene with molecular formula C6H12[A] on ozonolysis produces only one product [B] which given 2,4DNP test positive but lodoform test negative. What will be the number of αHatoms present in that alkene [A]?

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Solution

The alkene is CH3CH2CH=CHCH2CH3
as if gives only one product on ozonolysis.
i.e.CH3CH2CHO
It is an aldehyde and hence undergoes 2,4DNP test positive. But it doesn't undergo idoform reaction.
The number of H atom present in the alkene are 4.
CH3|CH2CH=CH|CH2CH3

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