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State reasons for the following: primary...

State reasons for the following: primary amines have higher boiling points than tertiary amines.

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The high bioling point is due to intermolecular H-bonding in primary amines whereas there is no H-bonding in tertiary amines.
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Why primary amines have higher boiling than tertiary amines ?

Give plausible explanation for each of the following : Why do primary amines have higher boiling points than tertiary amines ?

Knowledge Check

  • Which of the following is primary amine ?

    A
    t-butyl amine
    B
    Aniline
    C
    Sec-butylamine
    D
    N-methyl methanamine

  • Which of the following is primary amine?

    A
    t-butyl amine
    B
    aniline
    C
    sec. butylamoine
    D
    N-methyl methanamine

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    Account for the following (i)Primary amines (R-NH_(2)) have higher boiling point than tertiary amines (R_(3)N) (ii) Aniline does not undergo friedel - crafts reaction (iii) (CH_(3))_(2) NH is more basic than (CH_(3))_(3)N in an aquaous solution

    Account for the following : (i) Primary amines (R-NH_(2)) have higher boiling points than tertiary amines (R_(3)N) . (ii) Aniline does not undergo Friedel-Crafts reaction. (iii) (CH_(3))_(2)NH is more basic than (CH_(3))_(3)N in an aqueous solution.

    State reasons for the following : (i) pK_(b) value for aniline is more than that for methylamine. (ii) Ethylamine is soluble in water whereas aniline is not soluble in water. (iii) Primary amines have higher boiling points than tertiary amines.

    Give plausible explanation for each of the following: (i) Why are amines less acidic than alcohols of comparable molecular masses? (ii) Why do primary amines have higher boiling points than tertiary amines? (iii) Why are aliphatic amines stronger bases than aromatic amines?

    Give plausible explanation for each of the following : (i) Why are amines less acidic than alcohols of comparable molecular masses ? (ii). Why do primary amines have higher boiling poings han tertiary amines ? iii. Why are aliphatic amines stroner bases than aromatic amines ?

    Give reasons for the following : (i) Aniline does not undergo Friedal-Crafts reaction. (ii) (CH_(3))_(2)NH is more basic than (CH_(3))_(3)N in an aqueous solution. (iii) Primary amines have higher boiling point than tertiary amines.

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