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Nuclei having either the number of protons or neutrons as odd have _______ spin.

(a) Integral spin

(b) Half integral spin

(c) Zero spin

(d) Positive spin

This question was addressed to me during an interview.

My question comes from Principle of Nuclear Magnetic Resonance Spectrometer topic in section Nuclear Magnetic Resonance Spectrometer of Analytical Instrumentation

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The correct answer is (b) Half integral spin

The explanation is: Nuclei having either the number of protons or neutrons as odd have half-integral spin. Examples are H1 and B11.

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