Subject: Physical Chemistry · Chapter: Molecular Spectroscopy · Topic: Molecular Spectroscopy – General · Exam: CSIR-NET DEC 2016 · Marks: 2 · Difficulty: Medium
${}^{1}\mathrm{H}$ NMR spectrum of an organic compound recorded on a 500 MHz spectrometer showed a quartet with line positions at 1759, 1753, 1747, 1741 Hz. Chemical shift and coupling constant (Hz) of the quartet are
(a)$3.5\,\mathrm{ppm}, 6\,\mathrm{Hz}$
(b)$3.5\,\mathrm{ppm}, 12\,\mathrm{Hz}$
(c)$3.6\,\mathrm{ppm}, 6\,\mathrm{Hz}$
(d)$3.6\,\mathrm{ppm}, 12\,\mathrm{Hz}$
Answer
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