Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Telangana & AP CET Previous Year Question (S - Block) Single Correct MCQ
Published on: August 12, 2026

When compared with alkaline earth metals, the alkali metals have

A
Greater hardness
B
Higher boiling points
C
Smaller ionic radii
D
Lower ionization enthalpy

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The correct answer is:
D

The ionization enthalpies of the alkali metals are lower than those of the corresponding alkaline earth metals due to larger atomic radii and higher electro positivity.

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