Secondary amines could be prepared by
Secondary amines could be prepared by Options (a) reduction of nitriles (b) Hoffmann bromamide reaction (c) reduction of amides (d)…
7 years ago
Chemistry
The most basic amine among the following is
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…
7 years ago
An orange dye, p-hydroxyazobenzene can be synthesized from benzene diazonium
An orange dye, p-hydroxyazobenzene can be synthesized from benzene diazonium chloride by Options (a) Sandmeyar reaction (b) Gomberg reaction (c)…
7 years ago
Benzenediazonium chloride on treated with water gives
Benzenediazonium chloride on treated with water gives Options (a) phenol (b) 0-chlorophenol (c) anisole (d) chlorobenzene Correct Answer: phenolExplanation:No explanation…
7 years ago
Nitrobenzene is reduced to azoxybenzene using
Nitrobenzene is reduced to azoxybenzene using Options (a) Sn/HCl (b) Zn/NH₄Cl (c) As₂O₃/NaOH (d) Zn/NaOH Correct Answer: As₂O₃/NaOHExplanation:No explanation available.…
7 years ago
Which of the following exists as zwitter ion
Which of the following exists as zwitter ion Options (a) p-Aminophenol (b) Sulphanilic acid (c) Salicylic acid (d) Ethanolamine Correct…
7 years ago
Nitration of aniline is achieved by
Nitration of aniline is achieved by Options (a) direct treatment with nitration mixture under reflux (b) using fuming HNO₃ (c)…
7 years ago
If diazotisation of aniline is carried out at 30⁰ C,the main organic product
If diazotisation of aniline is carried out at 30⁰ C,the main organic product formed is Options (a) phenol (b) phenyl…
7 years ago
Which one of the following statements about the nitro group in organic compound
Which one of the following statements about the nitro group in organic compounds is not correct Options (a) The N…
7 years ago
Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂
Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂ to give Options (a) Michler's ketone (b) azo dye (c) malachite…
7 years ago