Mark the correct statement (s).
(1) Manganese exhibits +7 oxidation state
(2) Zinc forms coloured ions
(3)`[CoF_(6)]^(3-)` is diamagnetic
(4) Sc forms +4 oxidation state
(5) Zn exhibits only +2 oxidation state.
A. 1 and 2
B. 1 and 5
C. 2 and 4
D. 3 and 4
