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A dihalogen derivative (A) of a hydrocar...

A dihalogen derivative (A) of a hydrocarbon having two carbon atoms reacts with alcoholic potash and forms another hydrocarbon which gives a red precipitate with ammoniacal cuprous chloride. Compound A gives an aldehyde when treated with aqueous KOH. Write down the name and formula for the organic compound.

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The compound is a dihalogen derivative of a hydrocarbon containing two carbon atoms. It may be `CH_(3)CHCI_(2)` or `CH_(3)CICH_(2)Cl`. The reaction corresponds to `CH_(3)CHCI_(2)` and is ethylidene chloride as :
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