Question

Determine the unknown of these NMR graphs using table below, table below is just an example, follow table to demonstrate what unknow is

	Chemical Shift	Integration	Splitting	# of Neighbors	Frequent.
a	0.9	3H	TRIPLET	2	CH3-CH2-
b	1.5	2h	SEXTET	5	CH3
c	3.6	2H	TRIPLET	2
d	3.8	1H	SINGLET	0

  
LI-II- III DATE: ppm (+1) 1.776 (sH2O Unknown 54 - 1.505 1.479 1.454 1.429 1.161 1.00 HE --- 0.906 - 0.881 0.856
  

Answer 1

achianth Double bond equalent for a HIGO: TDBE) ---- 1:5 for CF saturated Hydrogen 8 =12H C5HR for CE molecular formula Hydrogenq=k H turated lilydrogeng - Molecular formula Hydrogene D13ES Saturated flyorogeng - Molecularborn = 12-12 ORE =0, It is saturated corpound. From IR Data at 3300 cn (strong broad Peak ) Indicales -oH functional Group present. • From H UNR Data the probable structure is Yt3 It consists of 4 types of Protone Which are labelled a, b, c, d . H2C-CH₂-¢-oh - 2-netty 1-2-butanol CH3

CH₂(C) H3C-CH2-¢-ot (d) (a ( CH3 (0) l Integration type of proton cal 3H Nurnber of Neighbours ) splitting I chemicalsfitt I intl (PPM) 2H (Hb) I quattet og o.qpph | triplet 3H (Ha) quather / loupon I dH I Isinglet 1.86PPM Isinglet 1.7 PPM