What is the correct order of reactivity of the following alkylhalide towards Friedel - Craft's alkylation with benzene in the presence of AlCl_3 ?

What is the correct order of reactivity of the following alkylhalide t

1.	What is the correct order of reactivity of the following alkylhalide towards Friedel - Craft's alkylation with benzene in the presence of AlCl_3 ?
Answer» `CH_3 - F GT CH_3 - CL gt CH_3 - Br gt CH_3 -I` `CH_3 - F LT CH_3 - Cl ltCH_3- Br lt CH_3 -I` `CH_3 F gt CH_3 - "Br" gtCH_3 - Cl gt CH_3 - I` `CH_3 F lt CH_3 -Br lt CH_3 - Cl lt CH_3-I` Solution :RECEPTIVITY order with ALCL3 is ` to` `CH_3F gt CH_3Cl gt CH_3 - Br gt CH_3 - I`