An unknown alkyl halide A reacts with al...

An unknown alkyl halide A reacts with alcoholic KOH to produce a hydrocarbon `(C_4H_8)`. Ozonolysis of the hydrocarbon affords one mole of propionaldehyde and one mole of formaldehyde. Suggest which organic structure among the following is the correct structure of the above alkyl halide A ?

`CH_3(CH_2)_3Br`

`CH_3CH(Br)CH(Br)CH_3`

`CH_3CH_2CH(Br)CH_3`

`Br(CH_2)_4Br`

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The correct Answer is:

Since ozonolysis products are `CH_3CH_2CHO` and HCHO, so the structure of alkene is `CH_3CH_2CH=CH_2`

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