Consider the following reaction :
(a) `CF_(3)`will activate the benzene ring
(b) `CF_(3)` will deactivate the benzene ring
( c) `CF_(3)` is m-directing
(d) `CF_(3)` is o/p directing
Select the correct options :
A. (i) and (iv)
B. (ii) and (iii)
C. (i) and (iii)
D. (ii) and (iv)
