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QUESTION
Draw the chemical structure of trans-4-nitrochalcone. Circle the proton or protons that you would attempt to
Draw the chemical structure of trans-4-nitrochalcone. Circle the proton or protons that you would attempt to
identify in the 1H NMR spectrum as evidence that the expected trans-isomer was formed (rather than the cis-isomer).
Chemical structure.HOHNO 2C( a)OH ( e )H ( 6 ) -> 7.98 PPM , It , dIHJ = 15 . 7 HZid)NO ,(eH (@ => 8. 98 PPM, 1H, d( 5 H, 7151 PPM, in)J= 15. 7 HZ.H (d )- 7: 85 PPM, 24 ,...