{"id":21505,"date":"2022-01-25T17:05:30","date_gmt":"2022-01-25T11:35:30","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=21505"},"modified":"2022-01-25T17:05:30","modified_gmt":"2022-01-25T11:35:30","slug":"preparation-of-organic-compounds-viva-questions-with-answers","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/study-materials\/chemistry\/preparation-of-organic-compounds-viva-questions-with-answers\/","title":{"rendered":"Preparation of Organic Compounds Viva Questions with Answers"},"content":{"rendered":"

Preparation of Organic Compounds Viva Questions with Answers<\/strong><\/span><\/h2>\n

Question.1. What is Claisen-Schmidt reaction ?<\/strong>
\n Answer.<\/strong> It is the condensation of aromatic aldehydes with aliphatic ketones (or aryl alkyl ketones) in the presence of dil. NaOH solution.<\/p>\n

Question.2. What is IUPAC name of acetanilide ?<\/strong>
\n Answer.<\/strong> Phenylethanamide.<\/p>\n

Question.3. What is the function of zinc dust in the preparation of acetanilide ?<\/strong>
\n Answer.<\/strong><\/p>\n

    \n
  1. It reduces the coloured impurities present in aniline.<\/li>\n
  2. It prevents oxidation of aniline during the reaction.<\/li>\n<\/ol>\n

    Question.4. Give the formula of 2-naphthol aniline dye.<\/strong>
    \n Answer.<\/strong>
    \n\"preparation-of-organic-compounds-viva-questions-with-answers-1\"<\/p>\n

    Question.5. What is the colour of 2-naphthol aniline dye ?<\/strong>
    \n Answer.<\/strong> Orange-red.<\/p>\n

    Question.6. What is diazotisation reaction ?<\/strong>
    \n Answer.<\/strong> It is the reaction of primary aromatic amines with nitrous acid to form diazonium salt. The reaction is carried out at low temperature (below 5\u00b0C)
    \n\"preparation-of-organic-compounds-viva-questions-with-answers-2\"<\/p>\n

    Question.7. What is coupling reaction ?<\/strong>
    \n Answer.<\/strong> It is the reaction of diazonium salts with highly activated benzene rings such as phenolic ring. The reaction involves electrophilic substitution and the product obtained is generally a dye.<\/p>\n

    Question.8. Which of the following compounds on diazotisation followed by compling with \u03b2-naphthol will form an azo dye ?<\/strong>
    \n (i) p-Toluidine (ii) Benzylamine (iii) N-Methylaniline<\/strong>
    \n Answer.<\/strong> p-Toluidine, because it is a primary aromatic amine.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Preparation of Organic Compounds Viva Questions with Answers Question.1. What is Claisen-Schmidt reaction ? Answer. It is the condensation of […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Get Preparation of Organic Compounds Viva Questions with Answers to infinity learn","custom_permalink":"study-materials\/chemistry\/preparation-of-organic-compounds-viva-questions-with-answers\/"},"categories":[1],"tags":[],"table_tags":[],"acf":[],"yoast_head":"\nPreparation of Organic Compounds Viva Questions with Answers - Infinity Learn by Sri Chaitanya<\/title>\n<meta name=\"description\" content=\"Get Preparation of Organic Compounds Viva Questions with Answers to infinity learn\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/chemistry\/preparation-of-organic-compounds-viva-questions-with-answers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Preparation of Organic Compounds Viva Questions with Answers - 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