3. a. The reaction sequence shown in Scheme 5 demonstrates the synthesis of a substituted benzene derivative Q. NH2 NaNO2, HCI HNO3. HASO C6H CINZ 0C CHINO, N o P Q Scheme 5 (i) Draw the structure of intermediate 0. [2 marks] () Draw the mechanism for the transformation of aniline N to intermediate 0. [6 marks (i) Identify the reagent X used to convert compound 0 to the iodinated compound P. [2 marks] (iv) Identify the possible structures of compound Q. [2 marks] (V) Draw the mechanism for the transformation of intermediate P to compound Q. (5 marks/ (vi) Account for the regiochemical outcome observed in the reaction forming compound Q [3 marks