Q56.The major product of the following reaction (1) (2) (3) (4)
What This Question Tests
This question tests the recognition and application of the Hoffmann Bromamide degradation reaction, a key named reaction for converting amides to primary amines with loss of a carbon atom.
Concepts Tested
Formulas Used
R-CO-NH₂ + Br₂ + NaOH → R-NH₂
📚 NCERT Sections This Tests
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
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.
7.7 — Predict The Major Product Of Acid Catalysed Dehydration Of
Chemistry Class 12 · Chapter 7
7.7 Predict the major product of acid catalysed dehydration of (i) 1-methylcyclohexanol and (ii) butan-1-ol
📋 Question Details
- Chapter
- Nitrogen Compounds
- Topic
- Named reactions
- Year
- 2019
- Shift
- 12 Apr Shift 1
- Q Number
- Q56
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 13: Nitrogen Compounds
More from this Chapter
Q81.An organic compound having molecular mass 60 is found to contain C = 20%, H = 6.67% and N = 46.67% while rest is oxygen. On heating it gives NH3 alongwith a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is (1) CH3NCO (2) CH3CONH2 (3) (NH2)2CO (4) CH3CH2CONH2
Q57.Hinsberg’s reagent is: (1) C6H5SO2Cl (2) SOCl2 (3) (COCl)2 (4) C6H5COCl
Q80.In the chemical reaction, CH3CH2NH2 −CHCl3 + 3KOH ⟶(A) + (B) + 3H2O, the compound (A) and (B) are respectively (1) C2H5CN and 3KCl (2) CH3CH2CONH2 and 3KCl (3) C2H5NC and K2CO3 (4) C2H5NC and 3KCl
Q81.Which one of the following is the strongest base in aqueous solution? (1) Trimethylamine (2) Aniline (3) Dimethylamine (4) Methylamine