K L Chugh Solutions for Chapter: d- and f-Block Elements, Exercise 1: REVIEW EXERCISES

The element which does not show $+4$ oxidation state is :

The more paramagnetic in the following is

Give the general electronic configuration of actinides.

The size of the trivalent cation in the Lanthanoid series decreases steadily as the atomic number increases. What is this known as?

Out of the following identify the d-block element.

$\mathrm{Ca}, \mathrm{Mn}, \mathrm{U}, \mathrm{Al}$

Out of the following identify the f-block element.

State the consequence of the Lanthanoid contraction shown by transition elements.

Predict with justification the number of moles of $\mathrm{KI}$ that would be oxidised by acidified aqueous solution of one mole of ${\mathrm{KMnO}}_4$.