From the three compounds shown, choose the compound that gives the 13C NMR spect

Question

From the three compounds shown, choose the compound that gives the 13C NMR spectral absorptions shown below. Indicate the spectral feature(s) upon which the decision is based. You have an unknown compound and are told that it is on j of two possibilities, compound A or B (shown below). Concisely describe how you can decide which one is which form the indicated NMR spectrum type. Be specific about significant spectral features that would be present or absent between the A and B compounds that you would base your decision on. Other spectral features do not need to be discussed.

Explanation / Answer

For 3 compond is C due two different environmental corbons

In quation 13C spectrum spectrum compund A shows in 13C spectrum Two peaks but in B Compound 13C spectrum will give 3 peaks

In 1H spectra Compound A will give Two peaks as singlets due to to symmetrical but in compound B will give two peaks in diiferent regions one is doublets another one is singlet

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