Q57.In the Hoffmann bromamide degradation reaction, the number of moles of NaOH and Br2 used per mole of amine produced are: (1) Two moles of NaOH and two moles of Br2 (2) Four moles of NaOH and one mole of Br2 (3) One mole of NaOH and one mole of Br2 (4) Four moles of NaOH and two moles of Br2
What This Question Tests
This question directly tests knowledge of the stoichiometry of the Hoffmann bromamide degradation reaction, specifically the number of moles of NaOH and Br2 consumed per mole of amine produced.
Concepts Tested
Formulas Used
R-CO-NH2 + Br2 + 4NaOH → R-NH2 + Na2CO3 + 2NaBr + 2H2O
📚 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.
7.21 — Name The Reagents Used In The Following Reactions:
Chemistry Class 12 · Chapter 7
7.21 Name the reagents used in the following reactions: (i) Oxidation of a primary alcohol to carboxylic acid. (ii) Oxidation of a primary alcohol to aldehyde. (iii) Bromination of phenol to 2,4,6-tribromophenol. (iv) Benzyl alcohol to benzoic acid. (v) Dehydration of propan-2-ol to propene. (vi) Butan-2-one to butan-2-ol.
📋 Question Details
- Chapter
- Nitrogen Compounds
- Topic
- Hoffmann bromamide degradation reaction
- Year
- 2016
- Shift
- 03 Apr
- Q Number
- Q57
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 13: Nitrogen Compounds
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