Embibe Experts Solutions for Chapter: Transition and Inner Transition Elements, Exercise 1: Exercise

 Why does a transition series contains $10$ elements? 

Out of the following identify the d-block element.

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

Permanganate titrations are carried out in the presence of sulphuric acid but not in presence of hydrochloric acid. Why?

Describe the oxidising action of potassium dichromate and write the ionic equations for its with $\mathrm{Sn}\left(\mathrm{II}\right)$.

The element with electronic configuration - $\left[\mathrm{Xe}\right]4{\mathrm{f}}^{2}5{\mathrm{d}}^{0}6{\mathrm{s}}^2$ lies in -

Copper showing $+2$ oxidation state uses 

At which oxidation state iron catalyses the reaction between iodide and persulphate ions and acts as a catalyst?

In the oxidation of sulphite to sulphate using permanganate, the number of electrons lost by each manganese atom is?