1.what are the types of nuclei that exhibit magneticproperties of nuclear magnet

Question

1.what are the types of nuclei that exhibit magneticproperties of nuclear magnetic Resonance spectrometer 2.what is the function each types of spectroscopy instructural determination 3.why are all proton in a molecule do not absorb radiofrequency energy at the same freqeuncy 4.explain the following with structures: a). Diel-Alder cycloaddtion b). conjugates molecules Identification system c) Reaction of conjugates molecules d) calculation of () e). Splitting pattern 1.what are the types of nuclei that exhibit magneticproperties of nuclear magnetic Resonance spectrometer 2.what is the function each types of spectroscopy instructural determination 3.why are all proton in a molecule do not absorb radiofrequency energy at the same freqeuncy 4.explain the following with structures: a). Diel-Alder cycloaddtion b). conjugates molecules Identification system c) Reaction of conjugates molecules d) calculation of () e). Splitting pattern

Explanation / Answer

Those nuclei with spin quantum number of the nucleus not equal tozero will exhibit magnetic properties of nuclear magnetic resonancespectrometer. Those nuclei which contain even number of protons andeven number of neutrons have spin quantum number 0. so they are NMRinactive. UV spectroscopy will give information about the chromiphores like ,-C=O, -C=C-, -N=N-, -C=S, and about the types of electrons presentin a molecule like , and n electrons. IR spectroscopy will give information about the functional groupspresent in a molecule. NMR spectra will give information about the number of differenttypes of protons present and their environment. so it gives good information about the structure. Mass spectra gives information about the molecular formula andpresence of elements like Cl, Br and other functional groups. All the protons will not absorb radiofrequency energy at the samefrequency because all the protons are not present in same chemicalenvironment so they will not precess with same frequency so theywill not come to resonance at the frequency. hope this helps

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