The structure of the compound which displays the following spectral data is IR = 1690, 1100 cm⁻¹ ¹H NMR: δ 2.8 (s, 3H), 3.8 (s, 3H), 6.9 (d, J=8 Hz, 2H), 7.8 (d, J=8 Hz, 2H) ¹³C NMR: δ 197, 165, 130, 129, 114, 56, 26

Q100 · CSIR-NET Chemistry, December 2019

Paper: CSIR-NET December 2019 · Subject: Organic Chemistry · Chapter: Organic Spectroscopy · Topic: Combined Structure Elucidation · Marks: 2 · Difficulty: Hard

The structure of the compound which displays the following spectral data is IR $= 1690, 1100\,\mathrm{cm^{-1}}$ ${}^{1}\mathrm{H}$ NMR: $\delta$ 2.8 (s, 3H), 3.8 (s, 3H), 6.9 (d, $J=8$ Hz, 2H), 7.8 (d, $J=8$ Hz, 2H) ${}^{13}\mathrm{C}$ NMR: $\delta$ 197, 165, 130, 129, 114, 56, 26

(a)