The d and f-Block Elements: NEET 2023

Medium· Chemical Properties· +4 / −1

Which of the following statements are **INCORRECT**? A. All the transition metals except scandium form MO oxides which are ionic. B. The highest oxidation number corresponding to the group number in transition metal oxides is attained in

\mathrm{Sc_2O_3}

\mathrm{Mn_2O_7}

. C. Basic character increases from

\mathrm{V_2O_3}

\mathrm{V_2O_4}

\mathrm{V_2O_5}

. D.

\mathrm{V_2O_4}

dissolves in acids to give

\mathrm{VO_4^{3-}}

salts. E. CrO is basic but

\mathrm{Cr_2O_3}

is amphoteric. Choose the **correct** answer from the options given below :

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The d and f-Block Elements: NEET 2023

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