Secondary amines could be prepared by
Options
(a) reduction of nitriles (b) Hoffmann bromamide reaction (c) reduction of amides (d) reduction of isonitriles
Correct Answer:
reduction of isonitriles
Explanation:
No explanation available. Be […]
The most basic amine among the following is
Options
(a) p-toluidine (b) o-nitroaniline (c) p-nitroaniline (d) 2,4-dinitroaniline
Correct Answer:
p-toluidine
Explanation:
Basicity of amines increases with the presence of electron releasing groups and decreases […]
An orange dye, p-hydroxyazobenzene can be synthesized from benzene diazonium chloride by
Options
(a) Sandmeyar reaction (b) Gomberg reaction (c) Coupling reaction (d) Gattermann reaction
Correct Answer:
Coupling reaction
Explanation:
No explanation available. […]
Benzenediazonium chloride on treated with water gives
Options
(a) phenol (b) 0-chlorophenol (c) anisole (d) chlorobenzene
Correct Answer:
phenol
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Nitrobenzene is reduced to azoxybenzene using
Options
(a) Sn/HCl (b) Zn/NH₄Cl (c) As₂O₃/NaOH (d) Zn/NaOH
Correct Answer:
As₂O₃/NaOH
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Which of the following exists as zwitter ion
Options
(a) p-Aminophenol (b) Sulphanilic acid (c) Salicylic acid (d) Ethanolamine
Correct Answer:
Sulphanilic acid
Explanation:
No explanation available. Be the first to write the […]
Nitration of aniline is achieved by
Options
(a) direct treatment with nitration mixture under reflux (b) using fuming HNO₃ (c) acetylation followed by nitration and subsequent hydrolysis (d) KNO₃ + conc.HNO₃
Correct Answer: […]
If diazotisation of aniline is carried out at 30⁰ C,the main organic product formed is
Options
(a) phenol (b) phenyl isocyanide (c) diphenyl amine (d) phenyl hydrazine
Correct Answer:
phenol
Explanation:
No explanation […]
Which one of the following statements about the nitro group in organic compounds is not correct
Options
(a) The N atom is sp² hybridised (b) The N atoms forms a N=O bond and […]
Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂ to give
Options
(a) Michler’s ketone (b) azo dye (c) malachite green (d) butter yellow
Correct Answer:
malachite green
Explanation:
No explanation available. Be […]
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