What would be the expected product of the reaction of propyne with Br2 in H2O if the mechanism of this reaction is analogous to that of propene?
A
2-brompropenol
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B
Bromoacetone
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C
2-bromo-2-propanol
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D
Bromoprophenol
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Solution
The correct option is A Bromoacetone
The above reaction is butyne undergoing bromination in the presence of water. Propyne reacts similarly with bromine in the presence of water. It gives Bromoacetone when propyne undergoes bromination in the presence of water undergoing keto-enol tautomerism.