Class 12 · ICSE · Chemistry

d- and f-Block Elements

Transition elements, variable oxidation states, catalytic behaviour, and the lanthanoids and actinoids.

Questions

5 questions in this chapter.

Answer available
Class 12 · Chemistry · d- and f-Block Elements
Why is Mn²⁺ more stable than Fe²⁺ towards oxidation?
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · d- and f-Block Elements
Why are most transition metal compounds coloured?
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · d- and f-Block Elements
What is lanthanoid contraction and state two of its consequences.
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · d- and f-Block Elements
Why do transition metals and their compounds act as good catalysts?
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · d- and f-Block Elements
Why do transition elements show variable oxidation states?
3 marksMediumShort answer