Ionisation energy of atoms A and B are 350 and 250 kCalmol–…

Chemistry Classification of Elements and Periodicity Ionisation Energy Single Correct MCQ

Published on: August 14, 2026

Ionisation energy of atoms A and B are 350 and 250 kCalmol–1 respectively. The electron affinities of these atoms are 70 and 90 kCalmol–1 respectively. Then :

Electron cloud is more attracted by A

Electron cloud is more attracted by B.

On Mulliken scale, electronegativity of A is more than B

On Mulliken scale, electronegativity of A is less than B

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The correct answer is:

CHECK THE SOLUTION.

(a, c)

According to Mulliken, electronegativity

= Greater the EN, greater is the attraction of electron cloud.

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