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In: Chemistry

For an NMR(Nuclear Magnetic Resonance) Spectroscopy (proton NMR), 1.What is meant by chemically equivalent protons? 2.What...

For an NMR(Nuclear Magnetic Resonance) Spectroscopy (proton NMR),
1.What is meant by chemically equivalent protons?
2.What is meant by chemical shift proton?
3.How can you tell whether two protons are chemically equivalent?
Also,
4. Difference between enantiotopic, diastereotopic, and homotopic protons?

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