Q84.Which of the following statements in relation to the hydrogen atom is correct? (1) 3s orbital is lower in energy than 3p orbital (2) 3p orbital is lower in energy than 3d orbital (3) 3s and 3p orbitals are of lower energy than 3d (4) 3s, 3p and 3d orbitals all have the same energy orbital
What This Question Tests
This question tests the specific knowledge that in a hydrogen atom, the energy of an orbital depends only on its principal quantum number 'n'.
Concepts Tested
Formulas Used
En = -13.6 Z²/n² eV
📚 NCERT Sections This Tests
12.6 — (A) Using The Bohr’S Model Calculate The Speed Of The Electron In A
Physics Class 12 · Chapter 12
12.6 (a) Using the Bohr’s model calculate the speed of the electron in a hydrogen atom in the n = 1, 2, and 3 levels. (b) Calculate the orbital period in each of these levels.
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?
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?
📋 Question Details
- Chapter
- Atomic Structure
- Topic
- Energy of orbitals in hydrogen atom
- Year
- 2005
- Shift
- Unknown
- Q Number
- Q84
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 2: Atomic Structure
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