Propyneand propene can be distinguished by :

1.	Propyneand propene can be distinguished by :
Answer» Conc. `H_(2)SO_(4)` `Br_(2)` in `C Cl_(4)` DIL. `KMnO_(4)` `AgNO_(3)` in ammonia Solution :Terminalalkyne gives white ppt with ammonical sliver nitrate. `CH_(3)-C-=CH+NH_(3)+AgNO_(3) rarr underset("white ppt.")(CH_(3))-C-=C.Ag+NH_(4)NO_(3)` while propene does not give any reaction with ammonical `AgNO_(3)` due to ABSENCE of acidic hydrogen.

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