Which of the following substances,formula C₈H₉Br,might exhibit the following ¹H NMR spectrum? triplet,$\delta$ 1.2 Quartet,$\delta$ 2.45 Multiplet,$\delta$ 7.4 A)I B)II C)III D)IV

Question

Quizplus · Accepted Answer

The presence of a triplet peak at a chemical shift of 1.2 ppm suggests the presence of a CH3 group. The quartet peak at 2.45 ppm indicates the presence of a CH2 group. Finally, the multiplet peak at 7.4 ppm suggests the presence of an aromatic ring. Only compound I, with a phenyl group attached directly to a CH2 group and a CH3 group, fits the necessary criteria for this NMR spectrum.

Which of the Following Substances,formula C8H9Br,might Exhibit the Following 1H δ\deltaδ

Which of the Following Substances,formula C₈H₉Br,might Exhibit the Following ¹H $\delta$