" The transition metal which does not show variable oxidation state is "

Name the transition element which does not exhibit variable oxidation states .

Which halogen does not show variable oxidation state?

Name the following: (a) A transition metal which does not exhibit variation in oxidation state in its compounds. (b) A compound where the transition metal is the +7 oxidation state. (c) A member of the lanthanoid series which is well known to exhibit +4 oxidation state. (d) Ore used in the preparation of Potassium dichromate.

Which transition element does not exhibit variable oxidation state?

The element which usually show variable oxidation states is :

Which of the following transition elements does not exhibit variable oxidation states ?