Consider the following two complex ions : `[CoF_(6)]^(3-)` and `[Co(C_(2)O_(4))_(3)]^(3-)`. Which of the following statement(s) is/are false ?
I. Both are octahedral
II. `[Co(C_(2)O_(4))_(3)]^(3-)` is diamagnetic while `[CoF_(6)]^(3-)` is paramagnetic .
III. Both are outer orbital complexes .
IV. In both the complexes the central metal is in the same oxidation state .

Options

A. (B) and (C)
B. (B), (C) and (D)
C. (C) only
D. (C) and (D)

Answer

C

Explanation

Properties of ionic solid