Which reagent is used to distinguish between | vedclass

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(C) Propene is an alkene $(CH_3-CH=CH_2)$ and propyne is a terminal alkyne $(CH_3-C \equiv CH)$.Terminal alkynes contain an acidic hydrogen atom attac

Vedclass · Accepted Answer

Ammoniacal $AgNO_3$ (Tollens' reagent)

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(C) Propene is an alkene $(CH_3-CH=CH_2)$ and propyne is a terminal alkyne $(CH_3-C \equiv CH)$.Terminal alkynes contain an acidic hydrogen atom attached to the $sp$ hybridized carbon.Ammoniacal silver nitrate $(AgNO_3 + NH_4OH)$ reacts with terminal alkynes to form a white precipitate of silver acetylide $(CH_3-C \equiv C-Ag)$.Propene does not react with ammoniacal $AgNO_3$.Therefore,ammoniacal $AgNO_3$ is used to distinguish between them.

Which reagent is used to distinguish between propene and propyne?

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