Polyhalogen Compounds|Dichloro Methane (Methylene Chloride)|Trichloro Methane (Chloroform)|Triiodomethane (Iodoform)|Tetrachloromethane (Carbon Tetrachloride)|Freons|Dichlorodiphenyl Trichloroethane (DDT)|OMR|Summary

(a) Aryl halides are less reactive in nucleophilic substitution reactions. (i) Write any two reasons for less reactivity. (ii) Give one example for nucleophilic substitution reactions of aryl halides (b) Write a method for the preparation of alkyl halides. (c) Which of the following is not a polyhalogen compound. (i) Chloroform (ii) Freon (iii) Carbon tetrachloride (iv) Chlorobenzene