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Questions and Answers
What is a condition to obtain microwave spectra?
The molecule must have a permanent dipole moment to obtain microwave spectra.
Define the term refractive index.
The refractive index is the ratio of the speed of light in a vacuum to the speed of light in a medium.
State Grothus - Draper law.
Grothus - Draper law states that only the absorbed portion of light contributes to photochemical processes.
What is meant by wave-particle duality?
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What is the Raman Effect? What are the Stokes and anti-Stokes lines?
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Study Notes
Physical Chemistry Exam - Q1
- Q1 is compulsory: Solve any five questions from the provided list.
- Q2-Q5: Solve any three out of the four.
- Marking: Questions 2-5 each carry the same weight.
Q1: Solve Any Five
- a) Condition for Obtaining Microwave Spectra: Specific condition for obtaining microwave spectra.
- b) Refractive Index: Definition of refractive index.
- c) Grothus-Draper Law: Definition of the Grothus-Draper law.
- d) Wave-Particle Duality: Explanation of wave-particle duality.
- e) Infrared Spectroscopy Selection Rule: Explanation of the selection rule for infrared spectroscopy.
- f) Dipole Moment: Defined.
Q2: Answer Any Two
- a) i) Well-Behaved Functions: Conditions for well-behaved functions.
- ii) Quantum Yield: Reasons for high and low quantum yield.
- iii) Raman Effect: Overview of the Raman effect and explanation of stokes and antistokes lines.
- b) i) Pure Vibrational Spectrum (impossibility): Explanation of why pure vibrational spectra are not possible.
- ii) Reduced Mass of HBr: Calculation of reduced mass for HBr (H=1, Br=80).
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Description
Test your knowledge with this Physical Chemistry exam quiz. Solve a variety of questions covering microwave spectra, refractive index, Grothus-Draper law, and more. Challenge yourself and see how well you understand the essential concepts of this field.
