But \( p-\)chloro aniline is basic not acidic it does not liberate \(CO_2\).
\((2)\) \(p-\)chloro aniline does not contain ionic chlorine to it does not give white ppt with \(AgNO_3\)
${C_2}{H_5}N{H_2}\,\xrightarrow{{HN{O_2}}}a$
${C_2}{H_5}N{H_2}\,\xrightarrow{{{C_6}{H_5}CHO}}b$
${C_2}{H_5}N{H_2}\,\xrightarrow{{NOCl}}c$
${C_2}{H_5}N{H_2}\,\xrightarrow{{{C_6}{H_5}S{O_2}Cl}}d$