For the protons labeled Ha and Hb in the structure below, predict the characteri

Question

For the protons labeled Ha and Hb in the structure below, predict the characteristics of their signals in the 1H NMR spectrum: the approximate chemical shift, the splitting pattern, and the integration value.

b H Approximate chemical shift H NMR signal O 1 ppm for H O 1.3 ppm O 1.6 ppm O 2 ppm O 3-4 ppm O 5-6 ppm H NMR signa O 1 ppm O 1.3 ppm for H O 1.6 ppm O 2 ppm O 3-4 ppm O 5-6 ppm Splitting O singlet doublet O triplet quartet O quintet O multiplet O singlet O doublet O triplet quartet quintet O multiplet Integration value O 1H O 2H O 3H O 4H O 5H O 6H O 1H O 2H O 3H O 4H O 5H O 6H

Explanation / Answer

Ha will appear as triplet and its chemcial shfit around 1 ppm (primary hydrogens) and integration of three hydrogens.

Hb will appear as quartet and its chemical shift around 1.3 ppm (secondary hydrogens) and integration of two hydrogens.

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