d and f Block Elements Part 2

Section: Chemistry
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Question : 58 of 100
 
Marks: +1, -0
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 oxidizing in nature.
(iv) Cr shows oxidising nature in +6 oxidation state.
[29-Jan-2023 Shift 2]
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