Chemistry - Complete d-block Question with Solution | TestHub
ChemistryComplete d-blockd-blockMedium2 minQB
ChemistryMediuminteger
How many of the following statements are correct?
(i) Manganese exhibits +7 oxidation state in one of 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.
Answer:
3
Solution:
(i), (ii) and (iv) correct Manganese exhibits +7 oxidation state in its oxide. Ru & Os form & oxide in +8 oxidation state Cr in +6 oxidation state acts as an oxidising agent Sc does not show +4 oxidation state.
Stream:JEESubject:ChemistryTopic:Complete d-blockSubtopic:d-block
⏱ 2mℹ️ Source: QB
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