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Aldehydes Ketones and Carboxylic Acids Test - 9

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Aldehydes Ketones and Carboxylic Acids Test - 9
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Weekly Quiz Competition
  • Question 1
    1 / -0

    IUPAC name of CH3CHO is

    Solution

    CH3CHO is ethanal as we have two carbons in main chain so, the word root is 'Eth' and the functional group is aldehydic group so, suffix is 'al'


    hence IUPAC name will be Ethanal.

  • Question 2
    1 / -0

    Esters react with DIBAL – H to produce

    Solution

  • Question 3
    1 / -0
    On passing vapours of isopropyl alcohol over heated Cu at 573 K, ______ takes place.
  • Question 4
    1 / -0

    The carbonyl carbon atom

    Solution

    R1R2C=O is carbonyl so 3 sigma bond . two sigma bond with C chain attached (R1 and R2) and one sigma bond with the oxygen atom. and it also form1 pie bond with oxygen.


    hybridisation of carbony carbon = sp2 as it forms total 3 sigma bond and has zero lone pair.


    if number of sigma bond + lonepair =3 then hybridisation is sp2

  • Question 5
    1 / -0
    Under Wolf-Kishner reduction conditions, the conversion which may be brought about is
  • Question 6
    1 / -0

    CH3CH(OCH3)CHO is called

    Solution

    This is alpha Methoxypropionaldehyde( common name)  and  2 – Methoxypropanal (IUPAC name)

  • Question 7
    1 / -0
    The treatment of a compound with HIO4 produces CH3CHO and CH3CH2CHO. The probable compound is
  • Question 8
    1 / -0
    Directions: The following question has four choices out of which ONLY ONE is correct.

    Hydroformylation means the introduction of
  • Question 9
    1 / -0
    Directions: The following question has four choices out of which ONLY ONE is correct.

    The incorrect IUPAC name is
  • Question 10
    1 / -0
    Directions: The following question has four choices out of which ONLY ONE is correct.

    Which of the following compounds is prepared from the distillation of acetone with sulphuric acid?
  • Question 11
    1 / -0
    What is the increasing order of the rates of HCN addition to compounds A to D?

    A. HCHO
    B. CH3COCH3
    C. PhCOCH3
    D. PhCOPh 
  • Question 12
    1 / -0
    The reagent with which both acetaldehyde and acetone react easily is
  • Question 13
    1 / -0
    When acetylene is passed through dil. H2SO4 in the presence of HgSO4, which of the following compounds is formed? 
  • Question 14
    1 / -0
    Directions: The following question has four choices out of which ONLY ONE is correct.

    ________ undergoes oxidation with acidified K2Cr2O7 to give acetone.
  • Question 15
    1 / -0
    Formaldehyde on reaction with ammonia forms urotropine whose formula is 
  • Question 16
    1 / -0
    Benzaldehyde can be prepared by the hydrolysis of 
  • Question 17
    1 / -0
    Which of the following aldehydes is the most reactive towards nucleophilic addition reactions?
  • Question 18
    1 / -0
    Acetone reacts with ethyl magnesium iodide to form
  • Question 19
    1 / -0
    Benzyl alcohol is obtained from benzaldehyde by which of the following reactions? 
  • Question 20
    1 / -0

    Ozonolysis of alkenes followed by reaction with zinc dust and water gives depending on the substitution pattern of the alkene

    Solution

    Reductive ozonolysis yields aldehyde or ketone depending on the nature of alkene.


    for example: CH2=CH2  on reaction with O3/Zn will give 2 molecule of HCHO


    while CH3C(CH3)=CHCH3 on the recation with O3/Zn will give one molecule of  propanone and one molecule of acetaldehyde


    and CH3C(CH3)=C(CH3)CH3 on recation with O3/Zn will give 2 molecule of propanone.

  • Question 21
    1 / -0
    Benzene reacts with CH3COCl in the presence of anhydrous AlCl3 to give
  • Question 22
    1 / -0
    Stephan's reaction is the reduction of
  • Question 23
    1 / -0
    Benzaldehyde reacts with ammonia to form
  • Question 24
    1 / -0
    Ozonolysis of C7H14 gives 2-methyl-3-pentanone. The alkene is
  • Question 25
    1 / -0
    Cannizzaro reaction is not given by
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