Which of the followig statements are correct about the reactivities of `(I) n-` propyl chloride and `(II)` allyl chloride.
A. Rate of `SN^(1)` reaction of `(I) gt (II)`
B. Rate of `SN^(1)` reaction of `(II) gt (I)`
C. Rate of `SN^(2)` reaction of `(I) gt (II)`
D. Rate of `SN^(2)` reaction of `(II) gt (I)`