1.

Observe the following sequence of reaction and answer the questions based on it. Phenylacetylene overset(CH_(3)MgBr)underset(-CH_(4))to x overset((i)CO_(2))underset((ii)H^(o+))to y overset(H_(2)O //H_(2)SO_(4))underset(HgSO_(4))to z overset(Delta)to w Compound z is

Answer»

`Ph-CH_(2)-OVERSET(O)overset(||)(C)-COOH`

`Ph-overset(O)overset(||)(C)-CH_(2)-COOH`
`Ph-CH_(2)-COOH`

Solution :Z is `Ph-overset(O)overset(||)(C)-CH_(2)-COOH`


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