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In the form of dichromate, Cr(VI) is a strong oxidizing agent in acidic medium but Mo(VI) in MoO3  and W(VI) in WO3 are not because

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By Expert Faculty of Sri Chaitanya
a
Cr(VI) is more stable than Mo(VI) and W(VI)
b
Mo (VI) and W (VI) are more stable than Cr(VI)
c
Higher oxidation states of heavier members of group-6 of transition series are more stable
d
Lower oxidation states of heavier members of group-6 of transition series are more stable.
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detailed solution

Correct option is B

In d-block the stability of higher oxidation increases are more from 3d to 4d and then to 5d


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