Write a Lewis structure for each of the following organic molecules:
(a) C2H5Cl (ethyl chloride: sprayed from aerosol cans onto skin to relieve pain)
(b) C2H3Cl [vinyl chloride: starting material for the preparation of poly(vinyl chloride), or PVC, plastics]
(c) C2HBrClF3(halothane: a nonflammable inhalation anesthetic; all three fluorines are bonded to the same carbon)
(d) C2Cl2F4(Freon 114: formerly used as a refrigerant and as an aerosol propellant; each carbon bears one chlorine)