JEE Main 2019 — s Block Elements Question with Solution
JEE Main 2019 (08 Apr Shift 1)
Question
The correct order of hydration enthalpies of alkali metal ions is:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Hydration Enthalpy
As radius increases enthalpy of hydration decreases so in a group on going from top to bottom hydration enthalpy decreases.
As radius increases enthalpy of hydration decreases so in a group on going from top to bottom hydration enthalpy decreases.
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This is a previous-year question from JEE Main 2019, covering the s Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.