d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge

Question 1041

▼

Which transition metal oxide, besides Mn2O7 and CrO3, is mentioned as having a low melting point?

▼

What type of salts does V2O4 form when it dissolves in acids?

▼

Which of the following statements best describes the stability of Sc2O3 compared to higher oxides of elements beyond group 7 like iron?

Both are equally stable
Sc2O3 represents the highest oxidation state for Sc, while higher oxides are not known for elements beyond group 7
Sc2O3 is less stable than higher oxides of iron
Sc2O3 is unstable compared to all other transition metal oxides

▼

What is the predominant character of the higher oxides of transition elements like Mn2O7, CrO3, and V2O5?

▼

What is the highest oxidation number observed in the oxides of transition elements discussed, and which element achieves it?