Organic compounds containing Nitrogen

Benzenediazonium chloride on treated with water gives

Options

(a) phenol (b) 0-chlorophenol (c) anisole (d) chlorobenzene

Correct Answer:

phenol

Explanation:

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Nitrobenzene is reduced to azoxybenzene using

Options

(a) Sn/HCl (b) Zn/NH₄Cl (c) As₂O₃/NaOH (d) Zn/NaOH

Correct Answer:

As₂O₃/NaOH

Explanation:

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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:

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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 […]

ArH + N₂ + H₃PO₃ + HX are the products of the following reaction

Options

(a) ArNX + H₂ + H₂O (b) ArNX + H₃PO₄ + NaOH⁺ (c) ArN + H₃PO₂ + 2H₂ […]

Reduction of H₃C – NC with hydrogen in presence of Ni/Pt as catalyst gives

Options

(a) CH₃NH₂ (b) CH₃NHCH₃ (c) CH₃CH₂NH₂ (d) (CH₃)₃N

Correct Answer:

CH₃NHCH₃

Explanation:

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