2
Given below are two statements
Statement (I) : EPR and NMR spectroscopy deal with interaction between electromagnetic radiation and magnetic moments
Statement (II) : In EPR the magnetic moments arise from the atomic nuclei
In light of the above statements, choose the most appropriate answer from the options given below
EXPLANATION
Spectroscopic Techniques
- Statement (I) is True: Both Electron Paramagnetic Resonance (EPR / ESR) and Nuclear Magnetic Resonance (NMR) spectroscopy exploit the interaction between electromagnetic radiation and magnetic moments oriented in external magnetic fields.
- Statement (II) is False: In EPR, magnetic moments arise from unpaired electron spins (electronic magnetic dipole moments), whereas in NMR, the magnetic moments originate from atomic nuclei possessing non-zero nuclear spin ($I \gt 0$).
- Conclusion: Statement (I) is true but Statement (II) is false (Option 1).
Correct option: (1) Statement (|) is true but Statement (Il) is false
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