Order of Covalent bond;
A. KF > KI; LiF > KF
B. KF < KI; LiF > KF
C. SnCl$$_4$$ > SnCl$$_2$$; CuCl > NaCl
D. LiF > KF; CuCl > NaCl
E. KF < KI; CuCl > NaCl

A

C, E Only

B

B, C Only

C

B, C, E Only

D

A, B Only