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Carboxylic Acid...

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  • Question 1
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    Consider the following sequence of reaction,

    Q. 

    The correct statement(s) regarding the above reaction is/are

     

  • Question 2
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    Consider the reaction sequence given below,

     

    Q. 

    The correct statements regarding the above reaction is/are

     

  • Question 3
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    Consider the reaction sequence given below, 

    Q. 

    The correct deductions is/are

     

  • Question 4
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    Consider the following trans formation,

     

     

  • Question 5
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    Comprehension Type

    Direction (Q. Nos. 5 - 7) This sections contains a paragraph, describing theory, experiments, data, etc.
    Three questions related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

    Passage

    Benzaldehyde when treated with KCN(aq) undergoes a condensation reaction, known as benzoin  condensation forming benzoin A. Benzoin on oxidation with HNO3 gives a diketone known as benzil B. Benzil on heating with ethanolic KOH undergo benzil-benzilic acid rearrangement as



    The widely accepted mechanism of last step rearrangement is

    Q. 

    When benzil is treated with dilute   both of its oxygens are replaced by O18 isotope. It proves that

     

  • Question 6
    1 / -0.25

     

    Benzaldehyde when treated with KCN(aq) undergoes a condensation reaction, known as benzoin  condensation forming benzoin A. Benzoin on oxidation with HNO3 gives a diketone known as benzil B. Benzil on heating with ethanolic KOH undergo benzil-benzilic acid rearrangement as



    The widely accepted mechanism of last step rearrangement is

    Q. 

    In the following reaction (*C is C14 isotope)

    The expected organic products is/are  

     

  • Question 7
    1 / -0.25

     

    Benzaldehyde when treated with KCN(aq) undergoes a condensation reaction, known as benzoin  condensation forming benzoin A. Benzoin on oxidation with HNO3 gives a diketone known as benzil B. Benzil on heating with ethanolic KOH undergo benzil-benzilic acid rearrangement as



    The widely accepted mechanism of last step rearrangement is

    Q. 

    In the reaction given below,

    The major rearrangement product is  

     

  • Question 8
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    One Integer Value Correct Type

    Direction (Q. Nos. 8 - 10) This section contains 3 questions. When worked out will result in an integer from 0 fo 9 (both inclusive).

    Consider the following two step synthesis:

    Q. 

    If X is finally treated with excess of NaBH4 followed by acid work-up, how many different isomers of diols would be formed?

     

  • Question 9
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    Consider the reaction given below,

    Q.

    In the above reaction, how many different isomers of esters are formed?

     

  • Question 10
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    Consider the reaction given below,

     

    Q. 

    How many different isomeric hydrocarbons of Y are formed?

     

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