Pick out statement (s) which is/are not true about diagonal relationship of Li and Mg:
A. Polarising powers of `Li^(o+)` and `Mg^(2+)` ions are almost the same.
B. Like Li, Mg decomposes water very fast.
C. LiCI and `MgCI_(2)` are deliquesent.
D. Like Li, Mg readily reacts with liquid bromine at ordinary temperaure.
A. I and IV
B. II and III
C. Only II
D. II and IV
