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प्रश्न
When primary amine reacts with CHCl3 in alcoholic KOH, the product is _______.
(A) aldehyde
(B) alcohol
(C) cyanide
(D) an isocyanide
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उत्तर
(D) an isocyanide
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संबंधित प्रश्न
What is the action of nitrous acid on primary nitroalkane?
Distinguish between the following pairs of compounds: Aniline and N-methylaniline
Describe a method for the identification of primary, secondary and tertiary amines. Also write chemical equations of the reactions involved.
Give a plausible explanation for the following:
Why do primary amines have higher boiling points than tertiary amines?
What is the action of Benzene Sulphonyl Chloride on primary, secondary and tertiary
amines?
What is the action of nitrous acid on secondary nitroalkane?
What is the action of nitrous acid on tertiary nitroalkane
Describe Hinsberg method for the identification of primary, secondary and tertiary amines. Also write the chemical equations of the reactions involved.
Which of the following reactions will not give a primary amine?
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.
Identify the compound that will react with Hinsberg’s reagent to give a solid which dissolves in alkali.
Arrange the following in the increasing order of their boiling points:
A: Butanamine
B: N, N-Dimethylethanamine
C: N- Etthylethanaminamine
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Tertiary amines are more basic than corresponding secondary and primary amines in gaseous state.
Reason (R): Tertiary amines have three alkyl groups which cause +I effect.
Select the most appropriate answer from the options given below:
Compound A is converted to B on reaction with CHCl3 and KOH. The compound B is toxic and can be decomposed by C. A, B and C respectively are ______.
Which of the following is not a correct statement for primary aliphatic amines?
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:
A compound 'X' on treatment with Br2/NaOH, provided C3H9N, which gives positive carbylamine test. Compound 'X' is ______.
Give reasons:
(CH3)2NH is more basic than (CH3)3N in an aqueous solution.
Among dimethylamine (pKb = 3.27) and diethylamine (pKb = 3.0), which one is more basic?
