Question

Which of the following are true regarding oxidation states of transition elements?

• A. There is a wide variability in oxidation states of transition elements
• B. The variety of stable oxidation states of transition elements is made possible by the incomplete filling of d orbitals
• C. both a and b
• D. neither a nor b

Answer 1

The correct option is C both a and b

One startling feature of transition elements is their variety of stable oxidation states. This is made possible by the incomplete filling of d orbitals in such a way that their
oxidation states differ from each other by unity. For instance, Vanadium can form stable compounds with oxidation states – II, III, IV and V. For Manganese, the range is from II – VII!