Hinsberg reagent is : from Chemistry Amines

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

681.

Which inorganic compound on heating changes into organic compound ?

  • Ammonium cyanide

  • Sodalime

  • Potassium cyanide

  • Sodamide


682.

The bad odour compound formed by the reaction between chloroform and aniline in the presence of alcoholic KOH :

  • acetylene

  • nitro benzene

  • phenyl isocyanate

  • carbylamine


683.

The reaction of a primary amine with chloroform and ethanolic solution of KOH is called

  • Hofmann's reaction

  • coupling reaction

  • carbylamine reaction

  • Curtius reaction


Advertisement

684.

Hinsberg reagent is :

  • C6H5SO3H

  • C6H5NO

  • C6H5SO2Cl

  • C6H5N2Cl


C.

C6H5SO2Cl

Benzene sulphonyl chloride (C6H5SO2Cl) is called Hinsberg reagent. It is used to distinguish primary , secondary and tertiary amines .


Advertisement
Advertisement
685.

Ethyl amine reacts with nitrous acid to form :

  • C2H5OH

  • C2H5OH , N2 , H2O

  • C2H5N2+Cl-

  • C2H5NHOH , NH3


686.

The reaction of chloroform with alcoholic KOH and p toluidine form :


687.

Which one of the following does not participate in the carbylamine reaction ?

  • KOH

  • Ethanol

  • Chloroform

  • Aniline


688.

Alkyl halides react with Mg in dry ether to form :

  • magnesium halide

  • Grignard's reagent

  • alkene

  • alkyne


Advertisement
689.

If phthalic acid is treated with NH3 and then it is first heated weakly then strongly, the final product formed is


690.

Which of the following will give carbylamine test?

  • CH3NH2

  • CH3NHCH3

  • CH3N(CH3)CH3

  • CH3CONH2


Advertisement