Chemistry · Molecular Spectroscopy

Identify the correct statements applicable to rotational (microwave) spectroscopy: A. It lies in the microwave region. B. The molecules must possess a permanent dipole moment. C. The selection rule is ΔJ = ±2. D. Only one transition is observed at room temperature. Choose the correct answer from the options given below:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1A, B and C only
2A and D only
3A and B only✓
4B, C and D only

Correct answer

A and B only

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