HARDMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsAchiever Section

The reagent is Reagent R CH CCl R R C C R →

A.Na

B.HCl in H₂O

C.KOH in C₂H₅OH, NaNH₂✓ Correct

D.Zn in alcohol

Explanation

On heating ethylene chloride (1, 1 dichloro ethane) with alcoholic potash followed by sodamide alkyne is obtained R CH CCl R 2 2 alc.KOH R CH CCl R → NaNH₂ R C C R →

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