NEET UG 2017 · Chemistry · Question 85
NEET 2017 Chemistry, question 85
Question 85 of the NEET 2017 paper (code A) is a Chemistry question from The s-Block Elements. Its idea, Hydration Enthalpy of Group 1 Ions, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q85 · Chemistry
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field ?
- 1Na
- 2K
- 3RbOfficial answer
- 4Li
Official answer: option 3 · CBSE official answer key
Same idea
The only question on Hydration Enthalpy of Group 1 Ions
No other NEET paper from 2017–2026 tested this exact idea.
Hydration Enthalpy of Group 1 Ions: every question and how it was framed
The chapter
The s-Block Elements in ten years of NEET
12 questions from 2017–2026, asked in 7 of 10 papers, about 1.1 a paper. s-Block Elements alone had 6.