1.

Which of the folllowing can be used to distinguised between 1-butyne and 2-butyne?

Answer»

Grignard reagent
AMMONICAL `AgNO_(3)`
ammonical `Cu_(2)Cl_(2)`
Baeyer's reagent

Solution :1-Butyne will give white ppt. with ammonical `AgNO_(3)` and red ppt. with ammonical `Cu_(2)Cl_(2)`. 1-Butyne will also react with Grignard reagent. None of these reactions will be GIVEN by 2-butyne.
`UNDERSET("But-1-yne")(CH_(3)-CH_(2))-C-=CH+CH_(3)MgBr to underset("Methane")(CH_(4))+Br-MgC-=C-CH_(2)-CH_(3)`


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