Correct Answer - A
`underset("2-Methyl propane")(H_(3)C-overset(CH_(3))overset(|)(C))=CH_(2)+underset("Acetyl chloride")(CH_(2))+CH_(3)-overset(O)overset(||)(C)-Cl overset("Anhy."ZnCl_(2))to `
`H_(3)C-underset(Cl)underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)`