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Identify a reagent from the following li...

Identify a reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.

A

bromine, `C Cl_(4)`

B

`H_(2)` Lindlar catalyst

C

dilute `H_(2)SO_(4), HgSO_(4)`

D

ammonical `Cu_(2)Cl_(2)` solution

Text Solution

Verified by Experts

The correct Answer is:
D
`CH_(3)-CH_(2)-C-=CH underset(NH_(4)OH)overset(Cu_(2)Cl_(2))rarr underset("Blood red colour")(CH_(3)-CH_(2)-C-=overset(Θ)Cu^(o+))+NH_(4)Cl+H_(2)O`
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Knowledge Check

  • Identify the reagent which can easily distinguish between 1-butyne and 2-butyne.

    A
    Bromine water
    B
    Baeyer's reagent
    C
    Dilute `H_(2)SO_(4)+HgSO_(4)`
    D
    Ammoniacal `Cu_(2)Cl_(2)`