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Organic Chemistry Questions and Answers – Preparation of Aromatic Amines | Organic Chemistry Multiple Choice Questions and Answers

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Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>

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(1) Aniline is usually purified by which of the following method?
[A] Steam distillation
[B] Simple distillation
[C] Vacuum distillation
[D] Extraction with a solvent
Answer: Steam distillation
(2) Which of the following method cannot be used for preparation of aromatic amine?
[A] Gabriel phthalimide synthesis
[B] Reduction of nitro compound
[C] Reduction of nitrile with LiAl4
[D] Decarboxylation of amino acids
Answer: Gabriel phthalimide synthesis

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(3) What are A and B in the given sequence, respectively?

[A] Aldehyde, nitro compound
[B] Nitro compound, phenyl amine
[C] Phenyl amine, nitro compound
[D] Phenthalene, phenyl amine
Answer: Nitro compound, phenyl amine
(4) Which reducing agent is used for the reduction of nitro compound to phenyl amine?
[A] LiAlH4
[B] Sn/HCl
[C] Na/alcohol
[D] H2/Ni
Answer: Sn/HCl
(5) What is the known name of the reaction given below?

(where, X=Cl, Br, I, OTf; R2=Alkyl, aryl, H; R3=alkyl, aryl)

[A] Gabriel phthalimide synthesis
[B] Buchwald-Hartwig Reaction
[C] Chan-Lam coupling
[D] Ullmann reaction
Answer: Buchwald-Hartwig Reaction
(6) What is the known name of the reaction given below?

[A] Gabriel phthalimide synthesis
[B] Buchwald-Hartwig Reaction
[C] Chan-Lam coupling
[D] Ullmann reaction
Answer: Ullmann reaction
(7) What is the known name of the reaction given below?

[A] Gabriel phthalimide synthesis
[B] Buchwald-Hartwig Reaction
[C] Chan-Lam coupling
[D] Ullmann reaction
Answer: Chan-Lam coupling
(8) Which type medium is required for the formation of aniline by reaction of aryl boric acid and HAS?
[A] Acidic
[B] Basic aqueous
[C] Neutral dry
[D] aqueous
Answer: Basic aqueous
(9) What will be the product for the following reaction?

[A] secondary aliphatic amine
[B] primary aromatic amine
[C] tertiary aromatic amine
[D] secondary aromatic amine
Answer: tertiary aromatic amine
(10) In the direct amination of alkyl and aryl pinacol boronates to form aromatic amine, which of the following is used as reagent with pinacol?
[A] Aryl boric acid
[B] Copper oxide
[C] Pd(OAc)2
[D] Lithiated methoxyamine
Answer: Lithiated methoxyamine

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