1.

In the form of dichromate , Cr(VI) is a strong oxidising agent in acidic medium but Mo(VI) in MoO_(3) andW(VI) in WO_(3) are not because "…...............".

Answer»

Cr(VI) is more stable than Mo(VI) and W (VI)
Mo(VI) and W (VI) are more stable than Cr(VI).
HIGHER oxidation states of heavier members of group-6 of transition SERIES are more stable.
Lower oxidation states of heavier members of group -6 of TRANSITIONSERIES are more stable.

Answer :b,C


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