Which of the following reaction sequences would be the best for synthesis of 2-pentanone ?

Options

A. `CH_(3)-CH_(2)-CH_(2)-overset(O)overset(||)(C)-H underset(Et_(2)O)overset(CH_(3)MhI)rarroverset(H_(3)O^(o+))rarr`
B.
C. `CH_(3)-CH_(2)-CH_(2)-C-=N underset(Et_(2)O)overset(CH_(3)MgI)rarroverset(H_(3)O^(o+))rarr`
D. `CH_(3)-underset(("Propanal"))(CH_(2))-overset(O)overset(||)(C)-H underset(Et_(2)O)overset(CH_(3)MgI)rarroverset(H_(3)O^(o+))rarr`

Answer

C

Explanation