1.

Addition of water to alkynes occurs in acidic medium and in the presence of Hg^(2+) ions as a catalyst. Which of the following products will be formed on addition of water to but-1-yne under these conditions.

Answer»

`CH_(3)-CH_(2)-CH_(2)-OVERSET(O)overset(||)(C)-H`
`CH_(3)-CH_(2)-overset(O)overset(||)(C)-CH_(3)`
`CH_(3)-CH_(2)-overset(O)overset(||)(C)-OH+CO_(2)`
`CH_(3)-overset(O)overset(||)(C)-OH+H-overset(O)overset(||)(C)-H`

Solution :`CH_(3)CH_(2)C-=CH overset(H^(+)//H_(2)O,Hg^(2+))toCH_(3)CH_(2)-CO-CH_(3)`.


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