Q41.In Kjeldahl's method for estimation of nitrogen, CuSO4 acts as : (1) Reducing agent (2) Catalytic agent (3) Hydrolysis agent (4) Oxidising agent
What This Question Tests
This question tests knowledge of the Kjeldahl's method for nitrogen estimation, specifically identifying the role of copper sulfate (CuSO4) as a catalytic agent in the digestion step.
Concepts Tested
📚 NCERT Sections This Tests
9.7 — Write Short Notes On The Following:
Chemistry Class 12 · Chapter 9
9.7 Write short notes on the following: (i) Carbylamine reaction (ii) Diazotisation (iii) Hofmann’s bromamide reaction (iv) Coupling reaction (v) Ammonolysis (vi) Acetylation (vii) Gabriel phthalimide synthesis.
7.17 — Give Equations Of The Following Reactions:
Chemistry Class 12 · Chapter 7
7.17 Give equations of the following reactions: (i) Oxidation of propan-1-ol with alkaline KMnO4 solution. (ii) Bromine in CS2 with phenol. (iii) Dilute HNO3 with phenol. (iv) Treating phenol wih chloroform in presence of aqueous NaOH.
8.17 — Complete Each Synthesis By Giving Missing Starting Material, Reagent Or Products
Chemistry Class 12 · Chapter 8
8.17 Complete each synthesis by giving missing starting material, reagent or products
📋 Question Details
- Chapter
- Nitrogen Compounds
- Topic
- Kjeldahl's Method
- Year
- 2024
- Shift
- 01 Feb Shift 1
- Q Number
- Q41
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 12: Organic Chemistry - Some Basic Principles and Techniques
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