Draw the curved arrow mechanism for the addition of HCN in water with NaOH to cyclopentanone to give the corresponding cyanohydrin in the fewest steps. Draw the arrows that lead to the resonance structures with full octets around each atom other than hydrogen. Draw all electrons and charges if necessary on all structures; do not show any inorganic side products of counterions. Reagents needed for each step are provided in the boxes.

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

C3h8o3 - glycerol major species present when dissolved in water

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.