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The oxidising ability of the given anions follows the order

Chemistryd and f Block ElementsKVPYKVPY 2017 (19 Nov SB/SX)

Options:

A $\mathrm{TiO}_{4}^{4-} < \mathrm{VO}_{4}^{3-} < \mathrm{CrO}_{4}^{2-} < \mathrm{MnO}_{4}^{-}$
B $\mathrm{VO}_{4}^{3-} < \mathrm{CrO}_{4}^{2-} < \mathrm{MnO}_{4}^{-} < \mathrm{TiO}_{4}^{4-}$
C $\mathrm{CrO}_{4}^{2-} < \mathrm{MnO}_{4}^{-} < \mathrm{VO}_{4}^{3-} < \mathrm{TiO}_{4}^{4-}$
D $\mathrm{VO}_{4}^{3-} < \mathrm{TiO}_{4}^{4-} < \mathrm{CrO}_{4}^{2-} < \mathrm{MnO}_{4}^{-}$