Q32.The ground state energy of a hydrogen atom is −13 .6 eV. The energy of second excited state of He+ ion in eV is: (1) −27.2 (2) −6.04 (3) −3.4 (4) −54.4
What This Question Tests
This question tests the application of the Bohr model energy formula for a hydrogenic species, requiring careful identification of the atomic number (Z) and principal quantum number (n) for the specified excited state.
Concepts Tested
Formulas Used
E_n = -13.6 * Z^2 / n^2 eV
📚 NCERT Sections This Tests
12.4 — The Ground State Energy Of Hydrogen Atom Is –13.6 Ev. What Are The
Physics Class 12 · Chapter 12
12.4 The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic and potential energies of the electron in this state?
12.5 — A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 · Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
12.7 — The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 · Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?
📋 Question Details
- Chapter
- Atomic Structure
- Topic
- Bohr's model for hydrogenic species
- Year
- 2019
- Shift
- 10 Jan Shift 2
- Q Number
- Q32
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 2: Atomic Structure
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