Addition of water to alkyness occurs in ...

Addition of water to alkyness occurs in acidic medium and in the presence of `Hg^(2+)` ions as a catalyst. Which of the following products will be formed on additon 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)-overset(O)overset(||)C-OH+H-overset(O)overset(||)C-H`

Text Solution

Verified by Experts

The correct Answer is:

`underset("But-1-yne")underset()(CH_(3)-CH_(2)-C)equivCH+H_(2)Ooverset(H_(2)O)underset((Hg^(2+)//H^(+)))rarrunderset("Butanone")underset()(CH_(3)-CH_(2)-overset(O)overset(||)C-CH_(3))`

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

`CH_(2)-CH_(2)-CH_(2)overset(O)overset(||)-C-H`

`CH_(3)-CH_(2)-overset(O)overset(||)C-CH_(2)`

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

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

Which of the following ions will form most water soluble hydroxide ?

`K^(+)`

`Ni^(+ +)`

`Zn^(+ +)`

`Al^(+ + +)`

Which of the following acid is formed when SiF_(4) reacts with water ?

`SiF_(4)`

`H_(2)SiF_(4)`

`H_(2)SO_(4)`

`H_(2)SiF_(6)`