Statement I Benzonitrile is prepared by the reaction of
chlorobenzene with potassium cyanide.
Statement II Cyanide `(CN^(-))` is a strong nucleoohile.
A. If both assertion and reason are correct, and reason is the correct explanation of the assertion
B. If both assertion and reason are correct, but reason is not correct explanation of the assertion
C. If assertion is correct but reason is incoorect
D. If assertion is incorrect but reason is correct