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प्रश्न
In the reaction \[\ce{C6H5NH2 + CHCl3 + 3KOH -> A + 3B + 3C}\] the product A is:
पर्याय
C6H5NC
C6H5CN
C6H5Cl
C6H5NHCH3
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उत्तर
C6H5NC
Explanation:
The reaction \[\ce{C6H5NH2 + CHCl3 + 3KOH ->[Alcoholic][Solution] C6H5NC + 3KCl + 3H2O}\]
Hoffmann's carbylamine test/isocyanide test. Secondary and tertiary amines do not provide it. Aliphatic/aromatic primary amines provide it. Isocyanide is a foul-smelling substance.
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संबंधित प्रश्न
What is the action of nitrous acid on primary nitroalkane?
Give a plausible explanation for the following:
Why do primary amines have higher boiling points than tertiary amines?
When primary amine reacts with CHCl3 in alcoholic KOH, the product is _______.
(A) aldehyde
(B) alcohol
(C) cyanide
(D) an isocyanide
What is the action of nitrous acid on secondary nitroalkane?
What is the action of nitrous acid on tertiary nitroalkane
On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is ______.
Identify the compound that will react with Hinsberg’s reagent to give a solid which dissolves in alkali.
The presence of primary amines can be confirmed by ______.
Match List I with List II.
| List I | List II | ||
| (A) | Benzenesulphonyl chloride | (I) | Test for primary amines |
| (B) | Hoffmann bromamide reaction | (II) | Anti Saytzeff |
| (C) | Carbylamine reaction | (III) | Hinsberg reagent |
| (D) | Hoffmann orientation | (IV) | Known reaction of Isocyanates |
Choose the correct answer from the options given below:
Carbylamine test is the distinguishing test for ______.
