Which of the following compound can be prepared from acetylene by carbonylation ?

Options

A. `CH_(3)-COOC_(2)H_(5)`
B. `CH_(2)=CH-COOH`
C. `CH_(3)CH_(2)-COOH`
D. `CH_(3)-CH_(2)-COOCH_(3)`

Answer

b

Explanation

The compound which can be prepared from acetylene by carbonylation is `CH_(2)=CH-COOH`
`underset(acetyl en e)(H-C-=C-H)+CO+H_(2)O overset(BF_(3))underset(Ni(CO)_(4))rarr underset(acrylic acid)(CH_(2)=CH-COOH)`