Question

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Which of the following statement is wrong?

Chemistryd and f Block ElementsKCETKCET 2019

Options:

A Metals in highest oxidation states are more stable in oxides than in fluorides.
B All elements of \( 3 d \) series exhibit variable oxidation states.
C In highest oxidation states, the transition metals show acidic character.
D \( M n^{3+} \) and \( C o^{3+} \) are oxidizing agents in aqueous solution.