JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank

done Numerical Value Type Questions - Aldehydes, Ketones and Carboxylic Acids Total Questions - 15

• question_answer1)
  Acetic acid is dissolved in water having oxygen as \[^{18}O\]. How many \[^{18}O\] atom will be present in the product molecule?
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• question_answer2)
  How many number of \[s{{p}^{2}}\] hybridised carbon atoms are there in the product Z.
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• question_answer3)
  How many membered ring will be formed in the product P of the following reaction.
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• question_answer4)
  Compound A is obtained by following reaction. \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\xrightarrow[(ii)\,{{H}_{3}}{{O}^{+}}]{(i)\,{{C}_{2}}{{H}_{5}}ONa}\,[A]\] How many following statement(s) is (are) true about A?

  (i) It gives red colour with blue litmus solution.

  (ii) It decomposes \[NaHC{{O}_{3}}\] solution and evolves

  \[C{{O}_{2}}\] gas.

  (iii) It decolourises bromine water colour.

  (iv) It reacts with 2, 4 - dinitrophenyl-hydrazine

  (v) Product A will undergo acid catalysed halogenation.

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• question_answer5)
  How many of the following compound is decarboxylated on heating?

  (I)

  (II) \[{{C}_{2}}{{H}_{5}}CH{{(COOH)}_{2}}\]

  (III) \[C{{H}_{3}}COC{{H}_{2}}COOH\]

  (IV)

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• question_answer6)
  How many of the following compounds can be used as an acylating agent?

  (I) \[C{{H}_{3}}COCl\]

  (II) \[{{(C{{H}_{3}}CO)}_{2}}O\]

  (III) \[C{{H}_{3}}COOH\]

  (IV) \[C{{H}_{3}}C{{H}_{2}}COCl\]

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• question_answer7)
  In the scheme given below, how many number of intra molecular aldol condensation products formed from 'Y'?
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• question_answer8)
  Among the following, how many number of reaction(s) produce(s) benzaldehyde?

  (I)

  (II)

  (III)

  (IV)

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• question_answer9)
  Find the number of reactants among the given options which does not undergo Michael addition?

  (I) \[{{C}_{6}}{{H}_{5}}CH=CHCOC{{H}_{3}}+{{C}_{6}}{{H}_{5}}COC{{H}_{3}}\]

  (II) \[{{C}_{6}}{{H}_{5}}CH=CHC{{H}_{2}}CO{{C}_{6}}{{H}_{5}}+C{{H}_{2}}{{(COO{{C}_{2}}{{H}_{5}})}_{2}}\]

  (III)

  (IV) \[C{{H}_{2}}=CHCOC{{H}_{3}}+C{{H}_{3}}COC{{H}_{3}}\]

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• question_answer10)
  How many number of aldol reaction(s) occurs in the given transformation?
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• question_answer11)
  How many number of organic compounds among the following compounds are present in the reaction mixture after the completion of reactions I and II?                    
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• question_answer12)
  Find the total number of product in the given reaction.
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• question_answer13)
  How many steps are there in the mechanism of the following reaction?
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• question_answer14)
  An unknown compound of carbon, hydrogen and oxygen contains 69.77% carbon and 11.63% hydrogen and has a molecular weight of 86. It does not reduce Fehling solution, but forms a bisulphate addition compound and gives a positive iodoform test. How many possible structures can be drawn for the unknown compound?
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• question_answer15)
  How many total number of ketonic groups are present in compound C and D in the given reaction sequence?
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