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Aldehydes, Ketones & Carboxylic Acids Test - 39

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Aldehydes, Ketones & Carboxylic Acids Test - 39
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  • Question 1
    4 / -1
    Which of the following will be most readilly dehydrated in acidic conditions
    Solution

  • Question 2
    4 / -1
    When ethanal is heated with Fehling’s solution it gives a precipitate of
  • Question 3
    4 / -1
    During reduction of carbonyl compounds by hydrazine and KOH, the first intermediate formed is
    Solution

  • Question 4
    4 / -1
    The cyanohydrin of a compound X on hydrolysis gives lactic acid ; The X is
    Solution

  • Question 5
    4 / -1
    Clemmensen reduction of a ketone is carried out in presence of
    Solution

  • Question 6
    4 / -1
    A substance C4HO yields on oxidation a compound, C4H8O which gives an oxime and a positive iodoform test. The original substance on treatment with conc. H2SO4 gives C4H8.the structure of the compound is
    Solution

  • Question 7
    4 / -1

  • Question 8
    4 / -1
    The most reactive compound towards formation of cyanohydrin on treatment with KCN followed by acidification is
  • Question 9
    4 / -1
    A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives
    Solution

  • Question 10
    4 / -1
    Which of the following statements regarding chemical properties of acetophenone are wrong ?
    I. It is reduced to methylphenylcarbinol by-sodium and ethanol
    II. It is oxidised to benzoic acid with acidified KMnO4
    III. It does not undergo electrophilic substitution like nitration at meta position
    IV. It does not undergo iodoform reaction with iodine and alkali
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