Q47.The diazonium salt of which of the following compounds will form a coloured dye on reaction with β - Naphthol in NaOH? (1) (2) (3) (4)
What This Question Tests
This question assesses the ability to identify aromatic amines that can undergo diazotization followed by coupling with β-naphthol to form a coloured azo dye, emphasizing the stability of diazonium salts and activation of the coupling component.
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.
7.16 — Explain How Does The –Oh Group Attached To A Carbon Of Benzene Ring
Chemistry Class 12 · Chapter 7
7.16 Explain how does the –OH group attached to a carbon of benzene ring activate it towards electrophilic substitution?
7.8 — Ortho And Para Nitrophenols Are More Acidic Than Phenol. Draw The
Chemistry Class 12 · Chapter 7
7.8 Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.
📋 Question Details
- Chapter
- Nitrogen Compounds
- Topic
- Diazotisation and Coupling reactions
- Year
- 2021
- Shift
- 24 Feb Shift 2
- Q Number
- Q47
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 13: Nitrogen Compounds
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