Question

define the symbol s,2j,3j,4j,5j,7j in NMR septrum​

Answer 1

Explanation:

The coupling constant, J (usually in frequency units, Hz) is a measure of the interaction between a pair of protons. ... The implications are that the spacing between the lines in the coupling patterns are the same as can be seen in the coupling patterns from the H-NMR spectra of 1,1-dichloroethane (see left).

Answer 2

Answer:

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