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Carboxylic Acid & Derivatives Test - 18

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Carboxylic Acid & Derivatives Test - 18
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  • Question 1
    1 / -0

    Acid present in tomatoes is

    Solution

    Tomatoes mainly have citric acid and malic acid.

    The pH of tomatoes is from 3.8 to 4.7.

    Usually, tomato contains more than 10 acids.

    Lactic acid is found in sour milk and curd and it is formed in muscles during heavy workouts. 

    Oxalic acid is found in many types of seeds, nuts, and vegetables.

    Tartaric acid is found in many fruits such as grapes, bananas, apples, apricots, etc.

     

  • Question 2
    1 / -0

    In the reaction

    the intermediate 'X' is

    Solution

     

  • Question 3
    1 / -0

    Formic acid is obtained when

    Solution

    Glycerol on heating with oxalic acid at 110°C yields formic acid

     

  • Question 4
    1 / -0

    Which reaction is suitable for preparing α-chloroacetic acid?

    Solution

    HVZ is the most suitable reaction for preparation of α-halocarboxylic acids.

     

  • Question 5
    1 / -0

    α− chloropropanoic acid on treatment with alcoholic KOH followed by acidification gives:

    Solution

    α− chloropropanoic acid on treatment with alcoholic KOH followed by acidification gives CH2​=CH−COOH.  A molecule of HCl is eliminated. It is an example of dehydrohalogenation reaction.

     

  • Question 6
    1 / -0

    Predict X in the reaction

    Solution

     

  • Question 7
    1 / -0

    Chlorination of toluene in presence of light and heat followed by treatment with aqueous NaOH gives

    Solution

     

  • Question 8
    1 / -0

    The refluxing of (CH3)2NCOCH3 with acid gives

    Solution

     

  • Question 9
    1 / -0

    The acid showing salt-like character in aqueous solution is:

    Solution

    The acid showing salt-like character in aqueous solution is  α-amino acetic acid.

    It exists as zwitter ion in aqueous solution, with the hydrogen atom ionized from carboxylic acid group and a hydrogen atom attached to the amine group.

     

  • Question 10
    1 / -0

    Acetamide and NaOBr/OH− produce

    Solution

    Hoffman Bromamide reaction

     

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