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Carboxylic Acid...

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  • Question 1
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    Only One Option Correct Type

    Direction : This section contains multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

    Q. 

    In hexane-2,4-dione, how many different mono-enols are possible?

     

  • Question 2
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    What is the correct order of equilibrium enol content of the following compounds?

    I. CH3 COCH3
    II. CH3 COCH2 COOC2 H5
    III. CH3 COCH2 COCH3
    IV. CH3 COCH2 COH

  • Question 3
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    In which of the following compounds, enol form exist? 

  • Question 4
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    Among the following compounds, one that will not show keto-enol tautomerism is

  • Question 5
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    Arrange the following in the increasing order of hydrate content at equilibrium in aqueous solution

    I. H2 CO

    III. C6 H5 CHO

     

  • Question 6
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    For which of the following equilibrium, Kc   <1 ?

  • Question 7
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    Arrange the following in the increasing order of stability of their most stable enol.

     

  • Question 8
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    Which of the following observation does not establish the existence of keto-enol tautomerism in acetone?

  • Question 9
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    Hemiacetals are usually unstable whereas acetals are stable. Which has the most stable hemiacetal?

  • Question 10
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    Which form s most stable acetal in the given condition? 

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