Question

When HCl is treated with propene in presence of sodium peroxide, the major product obtained is ____________.

Options

• 2, 2-dichloropropane

• 1, 2-dichloropropane

• 1-Chloropropane

• 2-Chloropropane

Answer 1

When HCl is treated with propene in presence of sodium peroxide, the major product obtained is 2-Chloropropane.

Explanation:

\[\begin{array}{cc}
\ce{\underset{Propene}{CH3 - CH = CH2} + HCl ->[Na2O2][{M.R.}] CH3 - CH - CH3}\\
\phantom{..............................}|\\
\phantom{...............................}\ce{\underset{2-Chloropropane}{Cl}}
\end{array}\]

(Peroxide effect is only for addition of HBr)