Q1:
The splitting of energy levels in the presence of a magnetic field is caused by which of the following?
Q2:
A NMR spectrum at room temperature reveals one well-defined peak. When cooled slightly, the peak becomes broadened. At temperatures, two well defined peaks are apparent. What is responsible for these observations?
Q3:
What is the most likely cause of fluxional behavior in the NMR spectrum of , iron pentacarbonyl?
Q4:
Which of the following correctly describes the relative intensities of splitting of an NMR peak?