MCQ
Propene and propyne can be distinguished by
  • A
    $Br_2/CCl_4$
  • B
    Baeyer's Reagent
  • $AgNO_3 + NH_4OH$
  • D
    $O_3$

Answer

Correct option: C.
$AgNO_3 + NH_4OH$
c
$C{H_3} - CH = C{H_2}\xrightarrow{{AgN{O_3} + N{H_4}OH}}$ No reaction

$C{H_3} - C \equiv CH\xrightarrow{{AgN{O_3} + N{H_4}OH}}\mathop {C{H_3} - C \equiv \bar C\,Ag}\limits_{white\,ppt}  \downarrow $

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