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12th Standard English Medium Chemistry Subject Organic Nitrogen Compounds Creative 5 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25
  1. Account for the following:
    i) (CH3)2 NH is stronger base than NH3
    ii) CH3CH2NH2 is more basic than CH3CONH2
    iii) Aniline is less basic than Ethyl amine
    iv) On sulphonation of aniline, p-amino benzene sulphonic acid is formed.

  2. Account for
    i) Reduction of CH3CH gives CH3CH2NHwhile CH3NC gives (CH3)2NH.
    ii) (CH3)2NH requires two molar proportion of CH3I to give the same crystalline product formed by (CH3)2N with one mole of CH3l.
    iii) Nitration of aniline with conc.HNO3 may end up with same meta nitro product.
    iv) p-toluidine is a stronger base than p-nitroaniline.

  3. How can the following coversion be effected?
    i) Nitrobenzene ⇾ Nitrosobenzene
    ii) Nitrobenzene ⇾ Azoxybenzene
    iii) Nitrobenzene ⇾ Hydrazobenzene

  4. How do primary, secondary and tertiary amines react with nitrous acid?

  5. Outline the mechanism of
    (a) Nitration of aniline,
    (b) Acetylation of aniline.

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