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    CBSE

    Subject

    Chemistry
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    NEET Chemistry : Amines

    Multiple Choice Questions

    1.

    Consider the nitration of benzene using mixed conc. H2SO4 and HNO3. If a large amount of KHSO4 is added to the mixture, the rate of nitration will be

    • slower

    • uncharge

    • doubled

    • doubled

    Answer
    • 2.

    The electrolytic reduction of nitrobenzene in strongly acidic medium produces

    • p-aminophenol

    • azoxybenzene

    • azobenzene

    • aniline

    Answer
    • 3.

    The product formed by the reaction of an aldehyde with a primary amine is

    • Ketone

    • Carboxylic acid

    • Aromatic acid

    • Aromatic acid

    Answer
    • 4.

    Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?

    • -Cidentical toN

    • -SO3H

    • -COOH

    • -COOH

    Answer
    • 5.

    Which of the following will most stable diazonium salt RN2+X-?

    • CH3N2+X-

    • C6H5N2+X-

    • CH3CH2N2+X-

    • CH3CH2N2+X-

    Answer
    • 6.

    The correct statement regarding the basicity of arylamines is

    • Arylamines are generally more basic than alkylamines because the nitrogen lone pair electrons are not delocalized by interaction with the aromatic ring pi-electron system

    • Arylamines are generally more basic than alkylamines, because of aryl group

    • Arylamines are generally more basic than alkylamines because the nitrogen atom in arylamines is sp-hydridized.

    • Arylamines are generally more basic than alkylamines because the nitrogen atom in arylamines is sp-hydridized.

    Answer
    • 7.

    Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-1000C forms which one of the following products?

    • 1,2-dinitrobenzene

    • 1,3- dinitrobenzene

    • 1,4-dinitrobenzene

    • 1,4-dinitrobenzene

    Answer
    • 8.

    In the reaction,

    straight H minus straight C identical to CH space rightwards arrow from left parenthesis ii right parenthesis space CH subscript 3 CH subscript 2 Br to left parenthesis straight i right parenthesis space NaNH subscript 2 divided by liq. NH subscript 3 of space straight X space space space space space space space space space space space space space space space space space space straight X space rightwards arrow from left parenthesis ii right parenthesis space CH subscript 3 CH subscript 2 Br to left parenthesis straight i right parenthesis NaNH subscript 2 divided by liq. NH subscript 3 of space straight Y
    X and Y are

    • X=2-butyne; Y= 3-hexyne

    • X=2-butyne;Y=2-hexyne

    • X=1-butyne ;Y = 2-hexyne

    • X=1-butyne ;Y = 2-hexyne

    Answer
    • 9.

    In the following reaction, the product (A) is 


    Answer
    • 10.

    Which of the following compounds will not undergo Friedel -Craft's reaction easily?

    • Cumene

    • Xylene

    • Nitrobenzene

    • Nitrobenzene

    Answer
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