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Exercises


          ❖ Solve the following questions:
              1.  Arrange in an increasing order the value of the stretching vibration of the

                  carbonyl group in the following compounds (using IR spectroscopy).






                               (1)                          (2)                          (3)

                                                   ……˂ ……˂ ……



                                                                           −1
              2.  Mention  in  approximately  the  wavenumber  (cm )  of  the  stretching
                  vibration of the terminal *C-H bond (using IR spectroscopy).








                               (1)                          (2)                          (3)



              3.  From the following chart, select the correct structure and justify your answer.







































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