20.2 Outline a procedure for separating a mixture
20.2 Outline a procedure for separating a mixture
20.2 Outline a procedure for separating a mixture
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HO<br />
NH2 (k) Benzoic acid<br />
(l) Phenol<br />
(m) Benzene<br />
CN<br />
HO<br />
NH2 HO<br />
NH2 N O<br />
0 - 5℃<br />
H 2O<br />
N O<br />
0 - 5℃<br />
N O<br />
0 - 5℃<br />
(n) P- (Phenylazo) phenol<br />
NH 2 NaNO 2<br />
HCl<br />
HO<br />
(o) N, N-Dimethyl-p-(phenylazo)aniline<br />
NH 2 NaNO 2<br />
HCl<br />
O<br />
N 2<br />
CuCN<br />
N 2Cu2O, Cu 2+ ,H 2O<br />
N 2<br />
N N<br />
N N<br />
H 3PO 2, H 2O<br />
OH<br />
N(CH 3) 2<br />
CN<br />
OH<br />
N<br />
N<br />
N<br />
N<br />
OH<br />
N(CH 3) 2<br />
<strong>20.2</strong>7 What products would you expect to be <strong>for</strong>med when each of the following amines reacts<br />
with aqueous sodium nitrite and hydrochloric acid?<br />
(a) Propylamine (c)N-Propylaniline (e)p-Propylaniline<br />
(b)Dipropylamine (d)N,N-Dipropylaniline<br />
Answer:<br />
(a)
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