Question

Describe a distinguish test between but-1-yne and but-2-yne ,state the reaction ,reagent condition and the observation

Answer 1

1 butene has a double bond between the 1st and 2nd carbon atom
1 butyne has a triple bond between the 1st and 2nd carbon atom

But-1-yne + KMnO4 /H+ = Butane -2-3 di one
but-2-yne + KMnO4 /H+ = Butanal -1- one
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