Oxidation of toluene with `CrO_(3)` in the presence of `(CH_(3)CO)_(2)O` gives a product A which on treatment with aq. NaOH produce

Oxidation of toluene with CrO_(3) in the presence of (CH_(3)CO)_(2)O gives a product 'A' which on treatment with aq. NaOH gives :

Oxidation of tolune with CrO_3 , in the presence of (CH_3CO)_2O gives a product A which on treatment with aq. NaOH produce

CrO_(3) on treatment with NaOH solution produces

The reaction of compounf P with CH_(3)MgBr (excess) in (C_(2)H_(5)_(2)O followed by addition of H_(2)O give Q the compound Q on treatment with H_(2)SO_(4) at 0^(@) C gives R. the reaaction of R with CH_(3) COCl in the presence of anhydrous AlCl_(3)"in" CH_(2)Cl_(2) followed by treatment with H_(2)O produces compound S. [Et in compound P is ethyl group] The product S is The product S is

The reaction of compounf P with CH_(3)MgBr (excess) in (C_(2)H_(5)_(2)O followed by addition of H_(2)O give Q the compound Q on treatment with H_(2)SO_(4) at 0^(@) C gives R. the reaction of R with CH_(3) COCl in the presence of anhydrous AlCl_(3)"in" CH_(2)Cl_(2) followed by treatment with H_(2)O produces compound S. [Et in compound P is ethyl group] The product S is

Oxidation of toluene with CrO_(3) in presence of acetic anhydride is best method for preparation of benzaldehyde. Justify

Toluene reacts with excess of CI_(2) in presence of sunlight to give a product which on hydrolysis followed by reaction with NaOH gives .