Page 46 - Practical-organic-3
P. 46

❖  Answer the following questions:

              1.  Write the multiplicity of the marked protons in the following compound.







                                 1 H-NMR              H-a             H-b              H-c


                                Multiplicity

              2.  Draw the splitting pattern and mention in approximately the chemical shift of

                  H-a and H-b, in the following compound





                          1 H-NMR                       H-a                            H-b


                       Splitting pattern

                        Chemical shift

                            (ppm)


                            1
              3.  Draw the  H-NMR spectra of the following compounds (focus on the    splitting
                  pattern and chemical shift of the protons).



































                                                                                                             46
   41   42   43   44   45   46   47   48   49   50   51