Q. 30

Which of the foll A. CrO3

B. MoO3

C. WO3

D. CrO42–

Answer :

Higher oxidation states of heavier members of group 6 of transition series are more stable. So, Mo(VI) and W(VI) are more stable than Cr(VI). Because they are more stable, they will not get reduced(or act as oxidising agent).

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