1.

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

Answer»

Baeyer's reagent
Hot ALK. `KMnO_(4)`
Reductive ozonolysis
Tollen's reagent

Solution :(A) Baeyer's reagent will be decolourised both by 1-butene and 2-butene.
(B) `UNDERSET("But-1-ene")(CH_(2)=CH-CH_(2)-CH_(3)+4[O])`
`overset("Hot alk." KMnO_(4))rarr CO_(2)+H_(2)O+ underset("Propanoic acid")(CH_(3)CH_(2)COOH)`


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