b)
+ H2 --Ni--> CH3-CH=CH2 (a)
+ H2O --H2SO4--> CH3-CH-CH3 (b)
OH
c)
+ HNO3 --H2SO4--> C6H5-NO2 (a)
+ 6[H] --(3Fe+6HCl+6e-)--> C6H5-NH2 (b)
+ Cl-CH2-CH3 --> C6H5-NH-CH2-CH3
d)
+ CH3Cl --AlCl3--> C6H5-CH3 (a)
+ 3Cl2 --FeCl3--> C6H5-CCl3 (b)
+ 2H2O --> C6H5-COOH (c)
+ CH3OH <==> C6H5-COO-CH3
e)
+ CH2O --H+--> CH2-CH2-CH=O (a)
OH
+ 2[O] ---> HOOC-CH2-COOH
