Engineering Chemistry S Datta

ATOMS AND MOLECULES 11
EXERCISES
1. What do you mean by wave nature of an electron?
2. Give the de-Broglie’s wave equation?
3. Correlate Bohr’s postulate of angular momentum with the wave mechanical model.
4. Give the new picture of an atom.
5. Write Heisenberg’s uncertainty principle.
6. Write how the uncertainty principle leads to probability approach.
7. Write Schrödinger wave equation for one dimension.
8. Write Schrödinger wave equation for three dimension.
9. What are eigen values and eigen functions?
10. Give the probability expression for finding an electron in the volume range of V and V + dV.
11. Mention the significance of ψ and ψ 2 .
12. Write the Schrödinger wave equation using polar co-ordinates.
13. Apply Schrödinger wave equation for particle in one dimensional box illustrating energy
quantisation.
14. Draw angular and radial probability distributions of 2s, 3p, 3d orbitals.