(a(i))[2]
Use the data to work out how many carbon atoms are present in L.
(a(ii))[1]
State which element is shown by the M+2 peak.
(a(iii))[4]
What does the NMR spectrum show about the number of protons in L and their chemical environments?
(a(iv))[7]
Use the information provided and your answers to (i), (ii) and (iii) to deduce a structure for L. Explain how you reached your answer.
(b(i))[1]
Suggest one difference between the fragmentation patterns in the mass spectra of these compounds.
(b(ii))[2]
Suggest two differences between the NMR spectra of these compounds.