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Identify the product in the following reaction. PhC-=C Me overset(H_3O^+, Hg^(2+))to |
Answer» Solution :First of all `Hg^(2+)` ions form a complex (I) with the alkyne. The complex formed here is , however UNSYMMETRICAL in which the +ve charge LIES on the carbon ATTACHED to the Ph ring since it is stabilized by resonance with the double bonds of the Ph ring. Later on nucleophilic attack of `H_2O` on this carbon ultimately leads to enol (II) which tautomerises to give ketone (III) .
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