Which of the Following Is Not True Regarding ¹H NMR

question 4

Multiple Choice

Which of the following is not true regarding ¹H NMR spectroscopy?

• A) "shielding" leads to peaks at lower values of δ
• B) a "downfield" peak appears at a higher value of δ
• C) δ for a particular proton depends on the magnetic field strength of the instrument used.
• D) on a 300 MHz instrument, a proton that adsorbs irradiation at a frequency 1200 Hz higher than the adsorption of TMS appears at δ 4 ppm.

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