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Schiemann Reaction

The organic c...

Question

The organic compound which gives a red precipitate with ammoniacal cuprous chloride & undergoes an addition reaction is:

A

ethane

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B

ethene

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C

ethyne

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D

ethanol

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Solution

The correct option is C ethyne
Terminal alkynes react with ammonium cuprous chloride to give red ppt. of a copper salt, which undergo an addition reaction also.
Thus, the correct answer is ethyne.

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