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Aldehydes And Ketones Test - 25

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Aldehydes And Ketones Test - 25
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Alkaline hydrolysis of 1,1-dichloroalkane yields

    Solution

     

  • Question 2
    1 / -0

    Schiff's reagent is :

    Solution

    p-rosaniline hydrochloride solution decolourised with sulphurous acid is known as Schiff's reagent.

     

  • Question 3
    1 / -0

    Collin's reagent causes the conversion

    Solution

    Collin's (CrO3-pyridine) converts 2° alcohol to ketone and 1° alcohol to aldehyde

     

  • Question 4
    1 / -0

    Paraldehyde is :

    Solution

    Paraldehyde is cyclic trimer of acetaldehyde.

     

  • Question 5
    1 / -0

    Which of the following aldehyde is very much used in perfumery and in dye industries?

    Solution

    Benzaldehyde is much used perfumery industries because it has bitter almond odor and also it is used for making aniline dye.

     

  • Question 6
    1 / -0

    The IUPAC name of CH3​COCH(CH3​)2​ is:

    Solution

    The IUPAC name of this structure is 3-Methyl-2-butanone. 

    The longest chain is of four carbon. The functional group here is keto group.

    The numbering will start from left carbon as the functional group should also have the lowest numbering. 

    The substituent methyl group will be at third carbon.

    Hence the IUPAC name of this structure is 3-Methyl-2-butanone.

     

  • Question 7
    1 / -0

    Identify the product Y in the sequence

    Solution

     

  • Question 8
    1 / -0

    In the given reaction X is

    Solution

    Knoevenagel reaction

     

  • Question 9
    1 / -0

    Which of the following will react with water?

    Solution

     

  • Question 10
    1 / -0

    Treatment of acetaldehyde with ethyl magnesium bromide and subsequently hydrolysis gives

    Solution

     

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