CBSE  /  Class 11  /  Chemistry  /  Organic Chemistry: Some Basic Principles and Techniques

  • 1. 
    If two compounds have the same empirical formula but different molecular formula they must have

  • Different percentage composition
  • Different molecular weight
  • Same viscosity
  • Same vapour density

  • 2. 
    Identify the chiral molecule among the following:

  • Isopropyl alcohol
  • 2-pentanol
  • 1-bromo 3-butene
  • Isobutyl alcohol

  • 3. 
    The displacement of electrons in a multiple bond in the presence of attacking reagent is called

  • Inductive effect
  • Electromeric effect
  • Resonance
  • Hyper conjugation.

  • 4. 
    Which of the following cannot be represented by resonance structures?

  • Dimethyl ether
  • Nitrate anion
  • Carboxylate anion
  • Toluene

  • 5. 
    An organic compound which produces a bluish green coloured flame on heating in presence of copper is

  • Chlorobenzene
  • Benzaldehyde
  • Aniline
  • Benzoic acid

  • 6. 
    Insulin contains 3. 4% sulphur. The minimum molecular weight of insulin is

  • 350
  • 470
  • 560
  • 940

  • 7. 
    What is the correct IUPAC name of

  • 4-methoxy-2-nitrobenzaldehyde
  • 4-formyl-3-nitro anisole
  • 4-methoxy-6-nitrobenzaldehyde
  • 2-formyl-5-methoxy nitrobenzene

  • 8. 
    59 g of an amide obtained from a carboxylic acid, RCOOH, liberated 17 g of ammonia upon heating with alkali. The acid is

  • Formic Acid
  • Acetic Acid
  • Propionic Acid
  • Benzoic Acid

  • 9. 
    In the Dumas method, the nitrogen present in organic compound gets converted to

  • Sodium Cyanide
  • Gaseoue Ammonia
  • Dinitrogen Gas
  • Ammonium Sulphate.

  • 10. 
    The compound

  • Bicyclo-[2, 2, 2] octane
  • Bicyclo-[2, 2, 1] octane
  • Bicyclo-[1, 2, 1] octane
  • Bicyclo-[1, 1, 1] octane
Report Question
warning
Practice More On Organic Chemistry: Some Basic Principles and Techniques
Quiz 1 Quiz 2
access_time
  Time