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    Nitrogen Containining Compounds (Amines) : Chemistry DPP 3 by Garima Verma (Chemistry Faculty) - Referral Code: "Cgvmam"

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    Tanisha Subudhi
    This document provides a chemistry practice problem set (DPP 3) on nitrogen-containing compounds known as amines. It contains 13 multiple choice questions testing concepts like the reactions and properties of aniline, methods of synthesizing aromatic amines, and reactions that involve nitrenes as intermediates. The questions cover acid-base behavior, substitution reactions, reduction, nitration, and the preparation of diazonium salts and nitroso derivatives. An answer key is provided at the end.

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    Nitrogen Containining Compounds (Amines) : Chemistry DPP 3 by Garima Verma (Chemistry Faculty) - Referral Code: "Cgvmam"

    Uploaded by

    Tanisha Subudhi
    140 views2 pages
    This document provides a chemistry practice problem set (DPP 3) on nitrogen-containing compounds known as amines. It contains 13 multiple choice questions testing concepts like the reactions and properties of aniline, methods of synthesizing aromatic amines, and reactions that involve nitrenes as intermediates. The questions cover acid-base behavior, substitution reactions, reduction, nitration, and the preparation of diazonium salts and nitroso derivatives. An answer key is provided at the end.

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    Amines+dpp+-+3

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    This document provides a chemistry practice problem set (DPP 3) on nitrogen-containing compounds known as amines. It contains 13 multiple choice questions testing concepts like the reactions and properties of aniline, methods of synthesizing aromatic amines, and reactions that involve nitrenes as intermediates. The questions cover acid-base behavior, substitution reactions, reduction, nitration, and the preparation of diazonium salts and nitroso derivatives. An answer key is provided at the end.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    140 views2 pages

    Nitrogen Containining Compounds (Amines) : Chemistry DPP 3 by Garima Verma (Chemistry Faculty) - Referral Code: "Cgvmam"

    Uploaded by

    Tanisha Subudhi
    This document provides a chemistry practice problem set (DPP 3) on nitrogen-containing compounds known as amines. It contains 13 multiple choice questions testing concepts like the reactions and properties of aniline, methods of synthesizing aromatic amines, and reactions that involve nitrenes as intermediates. The questions cover acid-base behavior, substitution reactions, reduction, nitration, and the preparation of diazonium salts and nitroso derivatives. An answer key is provided at the end.

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    CHEMISTRY DPP 3

    BY GARIMA VERMA (CHEMISTRY FACULTY) | REFERRAL CODE : “CGVMAM”

    NITROGEN CONTAININING COMPOUNDS (AMINES)

    1 Reaction 𝐶6 𝐻5 𝑁𝐻2 + 𝐻𝐴𝑢𝐶𝑙4 →


    ⊕ ⊖
    [𝐶6 𝐻5 𝑁𝐻3 ] 𝐴𝑢𝐶 𝑙4 shows…behaviour of aniline
    (a) Acidic (b) Neutral (c) Basic (d) Amphoteric

    2 Aniline on treatment with bromine water yields white precipitate of :-


    (a) o-Bromoaniline (b) p-Bromoaniline
    (c) 2, 4, 6-Tribromoaniline (d) m-Bromoaniline

    3 Which compound does not show diazo reaction


    (a) Aniline (b) p-Toluidine (c) p-Nitroaniline (d) Benzylamine

    4 Which of the following amines give N-nitroso derivative with 𝑁𝑎𝑁𝑂2 and HCl

    (a) 𝐶2 𝐻5 𝑁𝐻2 (b)

    (c) (d)

    5 Which of the following involves nitrene as an intermediate?


    (a) Carbylamine reaction (b) Hofmann bromamide reaction
    (c) Reimer Tiemann reaction (d) Friedal crafts reaction

    6 Which of the following does not reduce Tollen’s reagent


    (a) 𝐶𝐻3 𝐶𝐻𝑂 (b) 𝐻𝐶𝑂𝑂𝐻 (c) 𝐶6 𝐻5 𝑁𝐻𝑂𝐻 (d) 𝐶6 𝐻5 𝑁𝐻2

    7 Aniline can be obtained by


    (a) Benzoyl chloride and ammonia
    (b) Reduction of benzamide
    (c) Phenol and ammonia in presence of 𝑍𝑛𝐶𝑙2
    (d) Benzoic anhydride and ammonia
    CHEMISTRY DPP 3

    BY GARIMA VERMA (CHEMISTRY FACULTY) | REFERRAL CODE : “CGVMAM”

    8 Aniline on direct nitration produces


    (a) o-Nitroaniline (b) m-Nitroaniline (c) p-Nitroaniline (d) All

    9 Nitration of acetanilide followed by hydrolysis gives


    (a) o-Nitroaniline (b) p-Nitroaniline
    (c) o- & p-Nitroaniline (d) o-Nitroanilinium ion

    𝑁𝑎𝑁𝑂2 ⁄𝐻𝐶𝑙
    10 𝐶6 𝐻5 𝑁𝐻2 → 𝐴, which is the incorrect structure of the product ‘A’ :-
    0−50 𝐶
    ⊕ ⊖
    (a) 𝐶6 𝐻5 − 𝑁 = 𝑁 − 𝐶𝑙 (b) [𝐶6 𝐻5 𝑁2 ] 𝐶 𝑙
    ⊕ ⊖ ⊕ ⊖
    (c) [𝐶6 𝐻5 − 𝑁 ≡ 𝑁] 𝐶 𝑙 (d) [𝐶6 𝐻5 − 𝑁 ≡ 𝑁] 𝐶 𝑙

    11 Chloroform and ethanolic KOH is used as a reagent in the following reaction


    (i) Hoffmann carbylamine reaction (ii) Hoffmann degradation reaction
    (iii) Reimer-Tiemann reaction (iv) Hoffmann mustard oil reaction
    Code is
    (a) Only for (i) (b) Only for (i) and (ii)
    (c) Only for (ii) and (iv) (d) Only for (i) and (iii)

    12 Acetanilide when treated with bromine in acetic acid mainly gives :-


    (a) o-Bromoacetanilide (b) N-Bromoacetanilide
    (c) p-Bromoacetanilide (d) m-Bromoacetanilide

    13 Aromatic nitriles (ArCN) are not prepared by reaction


    (a) 𝐴𝑟𝑋 + 𝐾𝐶𝑁 (b) 𝐴𝑟𝑁2+ + 𝐶𝑢𝐶𝑁
    (c) 𝐴𝑟𝐶𝑂𝑁𝐻2 + 𝑃2 𝑂5 (d) 𝐴𝑟𝐶𝑂𝑁𝐻2 + 𝑆𝑂𝐶𝑙2

    ANSWER KEYS
    1.C 2.C 3.D 4.C 5.B 6.D 7.C
    8.D 9.C 10.D 11.D 12.C 13.A

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