Assertion: Addition of HBr to propene yields 2-bromopropane but in presence of a peroxide it yields 1-bromopropane.
Reason: When reaction is carried out in the presence of a peroxide it follows free radical mechanism, `2^(@)` free radical is more stable than `1^(@)` free radical.
A. If both assertion and reson are true and reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.