Home Chemistry Classification of Elements and Periodicity Ionisation Energy Which is correct about ionisation potential
Chemistry Classification of Elements and Periodicity Ionisation Energy Single Correct MCQ
Published on: August 12, 2026

Which is correct about ionisation potential

A
It is independent of atomic radii
B
It increases with increase in atomic radii
C
It remains constant with increase in atomic radii
D
It decreases with increase in atomic radii

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Text Solution

Verified by Experts
The correct answer is:
D

We know that ionisation potential gradually decreases of moving down the group while atomic size increases as we move down the group. Hence larger the atomic size, smaller is ionisation potential.

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