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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.

A

Propanal

B

Methanal

C

Ethanal

D

None of the above

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The correct Answer is:
C
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