In the form of dichromate, Cr(VI) is a strong oxidising agent in acidic medium but Mo(VI) in MoO_(3) and W(VI) and WO_(3) are not because______. (i) Cr (VI) is more stable than Mo(VI) and W (VI).(ii) Mo (Yl) and W(VT) are more stable ll1an Cr(Vl).(ili) Higher oxidation states of heavier members of group-6of transition series are more stable.(iv) Lower oxidation states of heavier members of group-6of transition series are more stable.

In the form of dichromate, Cr(VI) is a strong oxidising agent in acidi

1.	In the form of dichromate, Cr(VI) is a strong oxidising agent in acidic medium but Mo(VI) in MoO_(3) and W(VI) and WO_(3) are not because______. (i) Cr (VI) is more stable than Mo(VI) and W (VI).(ii) Mo (Yl) and W(VT) are more stable ll1an Cr(Vl).(ili) Higher oxidation states of heavier members of group-6of transition series are more stable.(iv) Lower oxidation states of heavier members of group-6of transition series are more stable.
Answer» (i) and (II) (ii) and (III) (i) and (IV) (ii) and (iv) ANSWER :B