JEE Main 2023 Chemistry question

The set of correct statements is : (i) Manganese exhibits +7 oxidation state in its oxide. (ii) Ruthenium and Osmium exhibit +8 oxidation in their oxides. (iii) Sc shows +4 oxidation state which is oxidising in nature. (iv) Cr shows oxidising nature in +6 oxidation state.

• (A)(ii) and (iii)
• (B)(i), (ii) and (iv)Correct
• (C)(ii), (iii) and (iv)
• (D)(i) and (iii)