Addition of water to alkynes occurs in a...

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 ?

`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 - underset(O ) underset(|| ) C- OH +H -overset(O ) overset(|| ) C -H`

Verified by Experts

The correct Answer is:

`CH_3 CH_2 C= CH +H_2 O overset(H^+ ,Hg^(2+))to CH_3 CH_2 underset(OH) overset(|) C =CH_2 hArr CH_3 CH_2 underset(O ) underset(||)C-CH_3`

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Which of the following are formed on addition reaction of DCl with 3-methyl-1-butene

`CH_2DCHClCH(CH_3)_2`

`CH_2DCH_2C Cl(CH_3)_2`

`CH_3CDClCH(CH_3)_2`

`ClCH_2CHDCH(CH_3)_2`

`Ph-overset(O)overset(||)(C)-overset(O)overset(||)(C)-overset(O)overset(||)(C)--Ph`

`K^(+)`

`Ni^(2+)`

`Zn^(2+)`

`Al^(3+)`