{"id":6033,"date":"2020-10-13T12:56:43","date_gmt":"2020-10-13T07:26:43","guid":{"rendered":"http:\/\/astan.lk\/al_virtualclassroom\/?p=6033"},"modified":"2020-10-13T12:56:41","modified_gmt":"2020-10-13T07:26:41","slug":"diazonium-salts","status":"publish","type":"post","link":"https:\/\/astan.lk\/al_virtualclassroom\/diazonium-salts\/","title":{"rendered":"Diazonium salts"},"content":{"rendered":"<p>\u2022 Aniline reacts with nitrous acid to give phenol.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/ds-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-10863\" src=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/ds-1-300x67.png\" alt=\"\" width=\"300\" height=\"67\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Aromatic diazonium salts are more stable than aliphatic diazonium salts. Therefore, when this reaction is carried out at low temperatures, the conversion of the aromatic diazonium salt to the phenol can be slowed down, and the diazonium salt can be isolated.<\/p>\n<p><a href=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/ds1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-10864\" src=\"http:\/\/astan.lk\/al_virtualclassroom\/wp-content\/uploads\/2017\/01\/ds1.png\" alt=\"\" width=\"186\" height=\"86\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h4>Reactions of diazonium salts in which the diazonium group undergoes replacement.<\/h4>\n<p><strong>With water<\/strong><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.chemguide.co.uk\/organicprops\/aniline\/diazoh2o.gif\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>With CuCl,CuBr,KI and HBF4<\/strong><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.mhhe.com\/physsci\/chemistry\/carey\/student\/olc\/graphics\/carey04oc\/ch23\/figures\/arn2arx.gif\" alt=\"conversion of aryl diazonium salts to aryl halides\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>With CuCN<\/strong><\/p>\n<p><span class=\"chemf nowrap\"> C<sub>6<\/sub>H<sub>5<\/sub>N<sub>2<\/sub><sup>+<\/sup> <\/span>\u00a0+ CuCN \u2192 C<sub>6<\/sub>H<sub>5<\/sub>CN + Cu<sup>+<\/sup> + N<sub>2<\/sub><\/p>\n<p>&nbsp;<\/p>\n<h4><strong>Diazonium salts can react as electrophiles in electrophilic substitution reactions.<\/strong><\/h4>\n<p>Benzene diazonuim chloride reacts with phenol to give an orange coloured compound, and with \u03b2\u00a0-naphthol to give a red coloured compound.<img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/3\/35\/Azo-coupling-A-mechanism-2D-skeletal.png\/800px-Azo-coupling-A-mechanism-2D-skeletal.png\" alt=\"Azo-coupling-A-mechanism-2D-skeletal.png\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/9\/97\/Synthesis_of_Organol_Brown_N.svg\/500px-Synthesis_of_Organol_Brown_N.svg.png\" alt=\"Organol brown synthesis\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2022 Aniline reacts with nitrous acid to give phenol. &nbsp; &nbsp; Aromatic diazonium salts are more stable than aliphatic diazonium salts. Therefore, when this reaction is carried out at low temperatures, the conversion of the aromatic diazonium salt to the phenol can be slowed down, and the diazonium salt can be isolated. &nbsp; Reactions of [&hellip;]<\/p>\n","protected":false},"author":842,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[14,1672],"tags":[],"class_list":["post-6033","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-unit-11"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diazonium salts - Learning &amp; Education Portal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/astan.lk\/al_virtualclassroom\/diazonium-salts\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diazonium salts - Learning &amp; Education Portal\" \/>\n<meta property=\"og:description\" content=\"\u2022 Aniline reacts with nitrous acid to give phenol. &nbsp; &nbsp; Aromatic diazonium salts are more stable than aliphatic diazonium salts. 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