( do 14 d with detail explanation (üi) 'H-NMR : 8 = 1 · 29 (t), 2 · 61 (s),(c) HowFT-techniques?spectra ofis2DNMRaffectedbyCOSYExplainthe4.19 (q) ppm(iv) 13 C-NMR : 8 = 10 · 13, 20·89 (DEPTinverted), 60 · 01,171-09 ppmH3C-CH-CH2-CH3ČH3Determinethestructureofthecompound with justification for the dataprovided.detailed spectra withby drawing aexpected peaks/signals. Explain thecorrelations.14. (a) A compound with molecular formula***C12H2408 gavesingle peak at'H-NMR)a8 = 3.66 ppm(forandd = 70.91 ppm (for 13C). The 13c peakwas inverted under DEPT considerations.Predict the molecular structure andassign values.(b) Explain how 2D NMR is different from 1DNMR in basic terms by highlighting thetwo extra functions involved.(c) How can COSY be distinguished fromNOESY? Explain.(d) An organic compound with molecularformula C3H1404 exhibited the followingspectral data :(i) MS : m/z= 174, 129, 101-1(üi) IR : 1736 cm¯', 1095 cm

The structure of the compound is given below

(üi) 'H-NMR : 8 = 1 - 29 (t), 2 · 61 (s), (c) How FT-techniques? spectra of is 2D NMR affected by COSY Explain the 4.19 (q) ppm (iv) 13 C-NMR : 8 = 10 ·13, 20 · 89 (DEPT H3C–CH–CH2- CH3 inverted), 60- 01, 171-09 ppm CH3 Determine the structure of the by drawing a detailed spectra with expected peaks/signals. Explain the correlations. compound with justification for the data provided. 14. (a) A compound with molecular formula *** C12H24O8 gave 8 = 3.66 ppm single peak at (for 'H-NMR) and 8= 70-91 ppm (for 13C). The 13c peak was inverted under DEPT considerations. Predict the molecular structure and assign values. (b) Explain how 2D NMR is different from 1D NMR in basic terms by highlighting the two extra functions involved. (c) How can COSY be distinguished from NOESY? Explain. (d) An organic compound with molecular