Advertisements
Advertisements
प्रश्न
In the reaction \[\ce{C6H5NH2 + CHCl3 + 3KOH -> A + 3B + 3C}\] the product A is:
पर्याय
C6H5NC
C6H5CN
C6H5Cl
C6H5NHCH3
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
How are 1 - nitropropane, 2-nitropropane and 2-methyl 2- nitropropane are distinguished from each other using nitrous acid?
Primary and secondary nitroalcanes containing α - H atom show property of -
- chain isomerism
- tautomerism
- optical isomerism
- geometrical isomerism
What is the action of Benzene Sulphonyl Chloride on primary, secondary and tertiary
amines?
On heating an aliphatic primary amine with chloroform and ethanolic potassium hydroxide, the organic compound formed is ______.
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:
Isocyanide reaction involves the intermediate formation of ______.
Which of the following is not a correct statement for primary aliphatic amines?
A compound 'X' on treatment with Br2/NaOH, provided C3H9N, which gives positive carbylamine test. Compound 'X' is ______.
Explain why (CH3)2NH is more basic than (CH3)3N in aqueous solution.
Carbylamine test is the distinguishing test for ______.
