MEDIUM
Earn 100

Acidified potassium permanganate is dropped over sodium peroxide taken in a round bottom flask as room temperature, vigorous reaction takes place to produce

35% studentsanswered this correctly

Important Questions on The d- and f-Block Elements

MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Write any three applications of d- and f-block elements.
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Give any four differences between Lanthanoids and actinoids.
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements

Write any four applications of f-block elements.

EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements

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

EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Explain why: Zn2+ salts are white whereas Cu2+ salts are coloured.
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Actinoides exhibit a large number of oxidation states in comparison to corresponding members of lanthanoid series. Why?
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Give two differences between Lanthanoids and Actinoids.
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
What product is formed when HF reacts with glass?
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Explain why: Transition metals and their compounds act as catalyst.
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Write any three differences between lanthanides and actinides.
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
The basic character of the transition metal monoxide follows the order
HARD
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Give three points of difference between lanthanoids and actinoids.
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
An aqueous solution consists of Pb2+ and Cu2+ ions. Which of the following reagents is suitable for separating them?
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Clarify the difference between Lanthanoid and Actinoid.
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements

How will you account for the following?

Actinoids exhibit more number of oxidation states than lanthanoids.

EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Explain why: Transition elements form alloys.
MEDIUM
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
More number of oxidation state are exhibited by the actinoids than by lanthanoids. The main reason for this is;
HARD
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
The Ziegler-Natta catalyst used for polymerisation of ethene and styrene is TiCl4+C2H53Al, the catalysing species (active species) involved in the polymerisation is :
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
Which of the following elements is alloyed with copper to form bronze?
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Applications of d-Block and f-Block Elements
First synthetic elements is