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From the 1 H NMR spectra, it is observed ---- 3H at 1ppm, 4H at 1.5-2ppm, 2H at 4ppm, 2H at 7ppm, 2H at 7.9ppm,3H at 1ppm. We know aromatic benzene ring protons give signal at ~7.25ppm. From the spectral date , we see there are 4 aromatic H present i