Chemistry Chemical Bonding and Molecular Structure All Topic Question for Revision Test Single Correct MCQ
Published on: August 12, 2026

Select the incorrect statement from the following.

A
Cations with 18 -electrons shell have greater polarising power than the cations with 8 -electrons shell.
B
Inner electrons have poor shielding effect on the electrons and thus electronegativity of the 18 -electrons shell is increased.
C
CuCl is covalent and NaCl is ionic.
D
Ionic bonds will be formed more easily between elements with comparatively high ionisation enthalpies.

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The correct answer is:
D

Among the given statements, is incorrect. Its correct form is: Ionic bond will be formed more easily between elements with comparatively low ionisation enthalpies.

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