Assertion: The reactivity order for `S_(N)1` reation is `Ar_(3)CXgtAr_(2)CHXgtArCH_(2)X`
Reason: More is the stability of carbocation more readily moment than cis 2-chloro propene .
Reason: More is stability of carbocation more readily it is formed .
A. If the the assertion and reason are true and reason is a true explanation of the assertion .
B. If both assertion and reason are true but reason is not the correct explanation of the assertion .
C. If the assertion is true but reason is true
D. If assertion is false but reason is true .
