Q26 · CSIR NET Chemistry, June 2021
Paper: CSIR NET June 2021 · Subject: Organic Chemistry · Chapter: Organic Spectroscopy · Topic: NMR 1H · Marks: 2 · Difficulty: Hard
Which of the following molecule has the ${}^{1}\mathrm{H}$ NMR spectrum: $\delta$ 2.3 (s, 3H), 3.9 (s, 3H), 7.25 (d, $J=7$Hz, 2H), 7.95 (d, $J=7$Hz, 2H) ppm.
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
ArCH₃ at 2.4, CO₂CH₃ at 3.9 and a para pair of doublets (7.25/7.95): methyl 4-methylbenzoate (c).
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