Published by:
CGP EDU Academic Team
Published on: August 13, 2026
For alkali metals, which one of the following trends is incorrect?
A
Hydration energy : 
B
Ionization energy: 
C
Density : 
D
Atomic size : 
Text Solution
Verified by ExpertsThe correct answer is:
C
: Density gradually increases on moving down from 
to 
. Potassium is, however, lighter than sodium. The abnormal value of potassium is due to unusual increase in atomic size, 
.e.. atomic volume.
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