March 08, 2015

ONLINE TEST - Carboxylic Acids - EM

This Quiz is a Simple test for +2 Science group students which contain Questions asked from March - 2006 to Sept - 2016 in Carboxylic Acids. Just participate in it and test your skill.

  1. Strongest acid among the following is
  2. ClCH2COOH
    Cl3CCOOH
    CH3COOH
    Cl2CHCOOH

  3. Weakest acid among the following is
  4. Acetic acid
    Phenol
    Water
    Acetylene

  5.                              H2O2 / Fe2+
    CH3CH(OH)COOH ------------→ X. The X is
  6. CH3COCOOH
    CH3CH2COOH
    CH3CHOHCHO
    CH2(COOH)2

  7. Ethylene dicyanide on hydrolysis (using acid) gives
  8. Oxalic acid
    Succinic acid
    Adipic acid
    Propionic acid

  9. The acid that cannot be prepared from Grignard reagent is
  10. Formic acid
    Acetic acid
    Butyric acid
    Benzoic acid

  11. The acid which reduces Tollen's reagent is
  12. acetic acid
    benzoic acid
    formic acid
    oxalic acid

  13. The compound found as stony deposits in kidneys is
  14. potassium oxalate
    oxalic acid
    potassium succinate
    calcium oxalate

  15. The isomerism exhibited by CH3CH2COOH and CH3COOCH3 is
  16. metamerism
    functional isomerism
    chain isomerism
    position isomerism

  17. Which of the following compound is optically active?
  18. CH3CH2COOH
    HOOC – CH2 – COOH
    CH3CH(OH)COOH
    Cl2CHCOOH

  19. Which of the following is least acidic?
  20. C2H5OH
    CH3COOH
    C6H5OH
    ClCH2COOH

  21. Ester formation involves the reaction of
  22. An aldehyde and a ketone
    An alcohol with RMgX
    Two molecules of an acid with dehydrating agent
    An acylhalide with an alcohol

  23. Which order of arrangement is correct in terms of the strength of the acid?
  24. CH3CH2COOH > CH3COOH < HCOOH < ClCH2COOH
    ClCH2COOH < HCOOH < CH3COOH < CH3CH2COOH
    CH3CH2COOH < CH3COOH < HCOOH < ClCH2COOH
    HCOOH > CH3CH2COOH < CH3COOH > ClCH2COOH

  25. Aspirin is
  26. Salicylic acid
    Acetyl salicylic acid
    Salicylaldehyde
    Methyl salicylate

  27. Carboxylic acids are more acidic than phenol and alcohol because of
  28. inter molecular hydrogen bonding
    formation of dimers
    highly acidic hydrogen
    greater resonance stabilisation of their conjugate base

  29.                       160oC
    H C = O ----------→ ?   The product is
               |
        HO
  30. CO + H2O
    HCOOH
    H2 + CO2
    HCHO + O2

  31. Heating a mixture of sodium acetate and soda lime gives
  32. methane
    ethane
    acetic acid
    benzene

  33. The compound which undergoes intramolecular dehydration with P2O5 is
  34. acetic acid
    formic acid
    propionic acid
    Butyric acid

  35. When chlorine is passed through acetic acid in presence of red P, it forms
  36. acetyl chloride
    Trichloro acetaldehyde
    Trichloro acetic acid
    Methyl chloride

  37. When propanoic acid is treated with aqueous sodium bicarbonatate, CO2 is liberated. The "C" of CO2 comes from
  38. methyl group
    carboxylic acid group
    methylene group
    bicarbonate

  39. Which of the following compounds will react with NaHCO3 solution to give sodium salt and CO2?
  40. acetic acid
    n-hexanol
    phenol
    both (a) and (c)

  41. The IUPAC name of CH3 – CH2 – CH – COOH is
                                                    |                                                      
                                                    CH3
  42. α-methyl butric acid
    3-methyl butanoic acid
    2-methyl butanoic acid
    Iso pentanoic acid

  43. The order of reactivity of carboxylic acid derivatives is
  44. Acid chloride > Ester > Amide > Acid anhydride
    Acid chloride > Acid anhydride > Ester > Amide
    Acid chloride > Amide > Acid anhydride > Ester
    Acid anhydride > Ester >Amide > Acid chloride
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                                             Tamil Medium

2 comments:

  1. q.no. 7 the correct option is d.not b

    ReplyDelete
  2. Q.no-8 the answer is functional isomerism

    ReplyDelete