Question

describe the effect of the magnets power on the separation of the nuclei in the frequency spectrum does it also affect the coupling constant or the chemical shift explain?

Answer 1

Spin states are not of equivalent energy in an applied magnetic field because the nucleus is a charged particle, and any moving charge generates a magnetic field of its own. Thus, the nucleus has a magnetic moment generated by its charge and spin. In an applied magnetic field, all protons have their magnetic moments either aligned with the field or opposed to it.If the central magnet were placed on a pivot, it would spontaneously spin around the pivot into alignment. Hence, as an external magnetic field is applied, the degenerate spin states split into two states of unequal energy.

The nuclear magnetic resonance phenomenon occurs when nuclei aligned with an applied field are induced to absorb energy and change their spin orientation with respect to the applied field.