| Qu : The structure of EPOTHILONE A, a compound with 
      anticancer activity similar to Taxol is shown to the right. (a) What is the hybridisation of the following C atoms 
        in Epothilone A ? 
 (b) Arrange the following bonds in Epothilone A in 
        order of decreasing length:    
        (c) What type of bonding MOLECULAR orbitals are involved 
      in the bonds between  C3-C4 and  C17-C18 ? 
          C14-C15       
            C15-C17         C17-C18 (d) What are the oxidation states of the following 
        C atoms in Epothilone A ? 
 (e) Identify any C-C σ bonds in Epithilone A that are not between a pair of sp3 
        hybridised C atoms. 
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