The Lanthanoids

Author:Madhya Pradesh Board
12th Madhya Pradesh Board
IMPORTANT

The Lanthanoids: Overview

In this topic, we will learn in detail about lanthanoids. Their oxidation states, atomic and ionic sizes, electronic configuration and general characteristics are explained in detail here.

Important Questions on The Lanthanoids

EASY
IMPORTANT
Chemistry Part I Textbook for Class XII>The D- And F- Block Elements>None>The Lanthanoids> Q 1

Name the members of the lanthanoid series which exhibit +4 oxidation states and those which exhibit +2 oxidation states. Try to correlate this type of behaviour with the electronic configurations of these elements.

MEDIUM
IMPORTANT
Chemistry Part I Textbook for Class XII>The D- And F- Block Elements>None>The Lanthanoids> Q 2

What are the different oxidation states exhibited by the lanthanoids?

MEDIUM
IMPORTANT
Chemistry Part I Textbook for Class XII>The D- And F- Block Elements>None>The Lanthanoids> Q 3

What is lanthanoid contraction? What are the consequences of lanthanoid contraction?