JEE Main 2026 Chemistry question

ChemistryStructure of AtomJEE Main 2026

The Bohr radius of a hydrogen like species is 70.53 pm. The species and the stationary state (n) are respectively (Given: Hydrogen atom Bohr radius is 52.9 pm)

Answer: (D)

Solution

r=52.9·n²/Z=70.53 gives n²/Z=4/3. This is satisfied by Z=3 (Li²⁺) with n=2.

Question ID VK-015611