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NTA Abhyas NEET2020ChemistryCarboxylic Acid DerivativesPractice

A colourless organic compound gives brisk effervescences with a mixture of sodium nitrite and dil. HCl. It could be

Options

  1. AOxalic acid
  2. BAcetic acid
  3. CUrea
  4. DGlucose

Correct answer

C. Urea

Step-by-step solution

N a N O 2 + H C l → H N O 2 + N a C l H 2 NCONH 2 Urea + HNO 2 → CO 2 + NH 3 + H 2 O + N 2 C O 2 gas evolves with brisk effervescence.

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