A compound shows following spectral data. 1 H ~ NMR: delta =7 . 9(d, J=8 ~ Hz, 2H), 6 . 6(d, J=8 Hz, 2 H), 4.3(q, J=6 Hz, 2 H) .4 .0 (s, D2 O . exchangeable), 1.4(t, J=6 Hz, 3 H) Mass: m / z 165,137,120,92 The correct structure of the compound is:

ABC26OR0994 · Organic Spectroscopy

Subject: Organic Chemistry · Chapter: Organic Spectroscopy · Topic: Combined Structure Elucidation · Exam: NET JUNE 2018 · Marks: 2 · Difficulty: Hard

A compound shows following spectral data. ${ }^{\mathrm{1}} \mathrm{H ~ NMR}: \delta=\mathrm{7 . 9}(\mathrm{d}, \mathrm{J}=\mathrm{8 ~ Hz}, \mathrm{2H}), \mathrm{6 . 6}(\mathrm{d}, \mathrm{J}=\mathrm{8} \mathrm{Hz}, 2 \mathrm{H}), 4.3(\mathrm{q}, J=6 \mathrm{Hz}, 2 \mathrm{H}) .4 .0\left(\mathrm{s}, \mathrm{D}_{2} \mathrm{O}\right.$ exchangeable), $1.4(\mathrm{t}, J=6 \mathrm{Hz}, 3 \mathrm{H})$ Mass: $m / z 165,137,120,92$ The correct structure of the compound is:

(a)

(b)

(c)

(d)

Answer

Answer (as printed): A

Explanation

No explanation was printed for this question.

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