Question

Match Column I with Column II for the oxidation states of the central atoms.

Column I	Column II
(i) \[\ce{Cr2O^{2-}7}\]	(a) + 3
(ii) \[\ce{MnO^{-}4}\]	(b) + 4
(iii) \[\ce{VO^{-}3}\]	(c) + 5
(iv) \[\ce{FeF^{3-}6}\]	(d) + 6
	(e) + 7

Answer 1

Column I	Column II
(i) \[\ce{Cr2O^{2-}7}\]	(d) + 6
(ii) \[\ce{MnO^{-}4}\]	(e) + 7
(iii) \[\ce{VO^{-}3}\]	(c) + 5
(iv) \[\ce{FeF^{3-}6}\]	(a) + 3