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Amines

Question

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Which of the following compounds will be suitable for Kjeldah1’s method for nitrogen estimation?

Solution

D.

Kjeldahl's method is used for Aniline. This method is used for quantitative analysis of N compound in organic substance (NH₃/NH₄⁺).

This method is not used in the case of nitro, azo compounds and also to the compounds containing nitrogen in the ring e.g. Pyridine.

Some More Questions From Amines Chapter

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂NH

Write structures of different isomeric amines corresponding to the molecular formula C₄H₁₁N.

Write IUPAC names of all the isomers.

What type of isomerism is exhibited by different pairs of amines?

How will you convert Benzene into N, N-dimethylaniline?

Arrange the following in increasing order of their basic strength:
C₂H₅NH_2, C₆H₅NH₂, NH₃, C₆H₅CH₂NH₂ and (C₂H₅)₂NH

Arrange the following in increasing order of their basic strength:
C₂H₅NH₂, (C₂H₅)₂NH, (C₂H₅)₃N, C₆H₅NH₂

Arrange the following in increasing order of their basic strength:
CH₃NH₂, (CH₃)₂NH, (CH₃)₃N, C₆H₅NH₂, C₆H₅ CH₂NH₂

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