Explain the oxidation states of 4d series elements.

Justify the position of lanthanoids and actinoids in the periodic table.

What are actinides? Give three examples.

Complete the following.
a. 3MnO₄^2- + 4H⁺ ⟶?
b. C₆H₅CH₃ \(\overset { acidified }{ \underset { KMnO_{ 4 } }{ \longrightarrow } } \)?
c. MnO₄^- + Fe²⁺ ⟶?
d. KMnO₄ \(\overset { \triangle }{ \underset { Red\ hot }{ \longrightarrow } } \) ?
e. Cr₂O₇^2- + 6I^- + 14H⁺ ⟶?
f. Na₂Cr₂O₇ + 2KCl ⟶?

Write ionic equation for the reaction between Cr₂O₇^-2 ions and Fe²⁺ ions in acidic medium.

What are coinage metals?

Why is Ce⁴⁺ in aqueous solution is a good oxidising agent?

Why do transition metals have high enthalpy of hydration?

Silver atom has completely filled d-orbitals (4d¹⁰) in its ground state. How can you say that it is a transition element?

Many industrial processes use transition metal or their compounds as catalyst. Why?

What is hydroformylation of olefins?

Write the equation involving the preparation of acetic acid from acetaldehyde.

What is Zeigler - Natta catalyst?

How are interstitial compounds formed?

Draw the structure of permanganate ion.