EASY
Earn 100

Give the important applications of transition and inner transition elements.

Important Questions on The d- and f-Block Elements

MEDIUM
Write any three applications of d- and f-block elements.
MEDIUM
Give any four differences between Lanthanoids and actinoids.
EASY

Account for the following, Actinoids has greater tendency to form complexes in comparison to Lanthanoids.

EASY
Explain why: Zn2+ salts are white whereas Cu2+ salts are coloured.
EASY
Actinoides exhibit a large number of oxidation states in comparison to corresponding members of lanthanoid series. Why?
EASY
Explain why: Transition metals and their compounds act as catalyst.
MEDIUM
Write any three differences between lanthanides and actinides.
EASY
An aqueous solution consists of Pb2+ and Cu2+ ions. Which of the following reagents is suitable for separating them?
HARD
Give three points of difference between lanthanoids and actinoids.
MEDIUM

How will you account for the following?

Actinoids exhibit more number of oxidation states than lanthanoids.

MEDIUM
More number of oxidation state are exhibited by the actinoids than by lanthanoids. The main reason for this is;
MEDIUM
Acidified potassium permanganate is dropped over sodium peroxide taken in a round bottom flask as room temperature, vigorous reaction takes place to produce
EASY
The image on an exposed and developed photographic film is due to: