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Hydrocarbons — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrocarbons1 Mark
Question
How will you separate propene from propyne?
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Answer

On passing the mixture through ammoniacal $\mathrm{AgNO}_3$ solution or ammoniacal $\mathrm{CuCl}_2$ solution when propyne reacts while propene passes over.

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