Home
Class 12
CHEMISTRY
Lanthanoid contraction occurs because...

Lanthanoid contraction occurs because

A

The 4f electrons, which are gradually added, create a strong shielding effect

B

The 4f orbitals are greater in size than the 3d and 3f orbitals

C

The 5f orbitals strongly penetrate into the 4f orbitals

D

The poor shielding effect of 4f electrons is coupled with increased attraction between the nucleus and the added electrons.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THE D-AND F-BLOCK ELEMENTS

    PHYSICS WALLAH|Exercise Level-2|42 Videos

  • THE D-AND F-BLOCK ELEMENTS

    PHYSICS WALLAH|Exercise NEET Past 5 Years Questions|14 Videos

  • SURFACE CHEMISTRY

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS|8 Videos

  • THE P-BLOCK ELEMENTS

    PHYSICS WALLAH|Exercise NEET Past 5 Years Questions|28 Videos

Similar Questions

Explore conceptually related problems

Lanthanoid contraction is caused due to

Lanthanoid contraction is caused due to:

Lanthanoide contraction is due to

lanthanoid contraction is caused due to:

(a) What is Lanthanoid contraction? Give the cause of lanthanoid contraction. (b) Why do transition metals form many coloured ions?

Lanthanoide contraction and its consequences