Select All The True Statements About Nuclear Magnetic Resonance Spectroscopy Only Atoms With Nonzero Nuclear Spin Like 1 (34.65 KiB) Viewed 15 times
Select All The True Statements About Nuclear Magnetic Resonance Spectroscopy Only Atoms With Nonzero Nuclear Spin Like 2 (30.86 KiB) Viewed 15 times
Select All The True Statements About Nuclear Magnetic Resonance Spectroscopy Only Atoms With Nonzero Nuclear Spin Like 3 (43.89 KiB) Viewed 15 times
Select ALL the true statements about nuclear magnetic resonance spectroscopy. Only atoms with nonzero nuclear spin, like H-1 and C-13 are visible in NMR Radiowaves are used to 'flip' the spin of the nucleus from one quantum state to another When an atom has its electrons partially pulled away, it is said to be deshielded, and its signal is said to be upfield, to the right. The number of signals corresponds to the number of types of protons (in H1 NMR) or carbons (in C13 NMR) The relative intensity of two NMR signals shows the ratio of two types of protons (or carbons)
Match each value for an NMR signal to a typical proton that would show that signal 2 Question 7 2. 1.2.1 ppm 2.5.2 ppm 3. 7.2 ppm 4. 9.0 ppm
Match each type of carbon (13C) to its approximate chemical shift. 165 2 4 3 125 25 205 1. 2. 3. 4. HO 910 OH H₂ C CH
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