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Chemistry · PYQ NEET UG 2022

हिन्दी

The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?

Question diagram
  1. A
    Compound with formula corresponding to structure (A)
  2. B
    Compound with formula corresponding to structure (B)
  3. C
    Compound with formula corresponding to structure (C)
  4. D
    Compound with formula corresponding to structure (D)
View Answer & Solution

Correct answer · Option A

Compound with formula corresponding to structure (A)

Explanation

Kjeldahl's method is not applicable to compounds containing nitrogen in nitro groups, azo groups, or pyridine-like rings where nitrogen is part of an aromatic ring. Aniline derivatives (A) have amino nitrogen which can be estimated.

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