20.2 Outline a procedure for separating a mixture

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(b) (c) NHCOCH 3 NHCOCH 3 Cl Br H 2SO 4 HNO 3 H 3O + Cl H 2SO 4 HNO 3 H 3O + Br NO2 NO2 NH 2 NH 2 Fe HCl NaNO 2 HCl Cl Fe HCl NaNO 2 HCl Br (CH 3CO) 2O NH2 NHCOCH 3 N + NCl - Cl (CH 3CO) 2O H3PO2 C2H5OH (1) Cl 2 NH 2 NHCOCH3 N + NCl - Br (2) OH - , H 2O heat H3PO2 C2H5OH (1) Br 2 (2) OH - , H 2O heat
(d) (e) NHCOCH 3 NHCOCH 3 NHCOCH 3 I CN NO2 H 2SO 4 HNO 3 I H 3O + H 2SO 4 HNO 3 Fe HCl H 2O H + NO2 NO 2 NH 2 Fe HCl I Fe HCl NHCOCH3 (i) NaNO 2, HCl (ii) H3PO2 C2H5OH NaNO 2 HCl NH 2 HNO 2 HCl (CH 3CO) 2O NH 2 NHCOCH3 N + NCl - CH3COCl I (1) I 2 H3PO2 C2H5OH NH 2 NHCOCH3 CN NHCOCH 3 N 2 + CuCN (2) OH - , H 2O heat H 2SO 4 HNO 3
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20.2 Outline a procedure for separating a mixture

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