Each of the following aldehydes or ketones is known by a common name. Its substitutive IUPAC name is provided in parentheses. Write a structural formula for each one.
(a) Chloral (2,2,2-trichloroethanal)
(b) Pivaldehyde (2,2-dimethylpropanal)
(c) Acrolein (2-propenal)
(d) Citral [(E)-3,7-dimethyl-2,6-octadienal]
(e) Diacetone alcohol (4-hydroxy-4-methyl-2-pentanone)
(f) Carvone (5-isopropenyl-2-methyl-2-cyclohexenone)
(g) Biacetyl (2,3-butanedione)