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ASChemistryCIEExam Questions19. Nitrogen Compounds19.1 Primary Amines

Primary Amines (CIE AS Chemistry)

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19.1 Primary Amines

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19.1 Primary Amines

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11 mark

Which of the following is the displayed formula for ethylamine?

  • 3-7-e-1a

  • 3-7-e-1b

  • 3-7-e-1c

  • 3-7-e-1d

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21 mark

What type of reaction makes ethylamine from bromoethane?

  • Oxidation

  • Reduction

  • Nucleophilic substitution

  • Electrophilic substitution

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31 mark

When 1-bromoethane reacts with an equal amount of X. What would X be and what is the product of this reaction?

 

X

Product

A

Ammonia

Amine

B

Methylamine

Amide

C

Water

Weak acid

D

Methanol

Ethyl methanoate

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    11 mark

    Methyl iodide can be heated with ammonia. Which of the options describes the products of this reaction?

    • Methylamine

    • Dimethylamine

    • Trimethylamine

    • All of the above

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    21 mark

    1-chloropropane can be used to make propylamine.

    Which row shows the correct reagents and type of reaction?

      Reagents Type of reaction
    A Aqueous ammonia Electrophilic addition
    B Aqueous ammonia Nucleophilic substitution
    C Ethanolic ammonia Nucleophilic substitution
    D Ethanolic ammonia Electrophilic addition

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      31 mark

      CH3CH2Cl reacts with an excess of ethanolic NH3.

      Which compound is the main organic product?

      • (CH3CH2)3N

      • (CH3CH2)2NH

      • CH3CH2NH2

      • (CH3CH2)4N+

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      11 mark

      What is the correct set of reagents and conditions for the two reactions shown?

       

      (CH3)2CO rightwards arrow (CH3)2CHCN

      CH3CHClCH3 rightwards arrow CH3CH(NH2)CH3

      A

      Sn / conc. H2SO4

      Dilute ethanolic NH3

      B

      Sn / conc. HCl

      Excess ethanolic NH3

      C

      NH3

      Nitric acid / 50 °C

      D

      KCN, H2SO4

      Excess ethanolic NH3

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        21 mark

        Which amine could not be produced by the reduction of a nitrile?

        • butylamine

        • methylpropylamine

        • 2methylpropylamine

        • 22dimethylpropylamine

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        31 mark

        What is the systematic name of the amine shown?7-5-h-q5-aqa-al-chemistry-mcq

        • Dimethyldiethyl ammonium chloride 

        • Diethylmethyl ammonium chloride 

        • Diethyldimethyl ammonium chloride 

        • Methylethyl ammonium chloride 

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