H3C. Predict the ¹³C NMR chemical shift of the circled carbon in the structure below. C H₂ 010 CH3 A) 5-40 ppm B) 40-80 ppm C) 110-160 ppm D) 165-180 ppm E) 200-210 ppm

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.