Which of the following statement(s) regarding friedal craft alkylation

1.	Which of the following statement(s) regarding friedal craft alkylation is/are correct?
Answer» The action of `Me_3C . CH_2 CL// AlCl_3` on benzen yields almost wholly the REARRANGED product Ph. `Cme_2. CH_2 Me ` Initial electrophile complex being polarized enough to allow the rearrangement of`[Me_3C.CH_2]^(delta+).........Cl.......AlCl_3`to the more stable `[Me_2C. CH_2 Me]^(delta+) ......... Cl .......... overset(delta-)(AL)Cl_3`. By constrast `Me_3 C. CH_2Cl// FeCl_3` on benzene is found to yield almost wholly unrearraged product `PhCH_2. CMe_3` The % of rearranged product from a given halide & Lewis acid being less at lower temperature as compared to that at HIGH temperature . Solution :Friedel craft ALKYLATION

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