JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank

done Mock Test - Aldehydes, Ketones and Carboxylic Acids Total Questions - 25

• question_answer1)
  \[{{C}_{2}}{{H}_{2}}\xrightarrow[Dil.{{H}_{2}}S{{O}_{4}}]{HgS{{O}_{4}}}P\xrightarrow{(0)}\] \[Q\xrightarrow[Pyridine]{SOC{{l}_{2}}}R\xrightarrow{{{({{C}_{2}}{{H}_{5}})}_{2}}Cd}S\] The end product in the above sequence of reactions is
  A)
  Ethylethanal       done clear
  B)
  2-Butanone done clear
  C)
  Propanal            done clear
  D)
  Propanone done clear
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• question_answer2)
  A hydrocarbon \[X({{C}_{7}}{{H}_{12}})\] on ozonolysis followed by the treatment with \[{{(C{{H}_{3}})}_{2}}S\] gives \[{{C}_{7}}{{H}_{12}}{{O}_{2}}\]which gives positive Tollen?s test as well as positive iodoform test. The compound below satisfying the criteria of X is
  A)
    done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer3)
  Consider the following reaction sequence: Final major product X. The correct statement regarding X is
  A)
  It has an aldehyde functional group done clear
  B)
  it has both aldehyde and Ketone functional groups done clear
  C)
  it has a ketone functional group done clear
  D)
  it has a ketone and an acid functional group done clear
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• question_answer4)
   \[\xrightarrow[+{{H}_{2}}O]{1moleC{{H}_{3}}-Mg-x}\]? The product is
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  All of these done clear
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• question_answer5)

  Arrange the following in the increasing order of reactivity with \[N{{H}_{3}}\]:

  (I) \[C{{H}_{2}}O\]

  (II) \[C{{H}_{3}}CHO\]

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

  (IV)

  A)
  I<II<III<IV       done clear
  B)
  III<IV<I<II done clear
  C)
  IV<III<II<I       done clear
  D)
  II<I<IV<III done clear
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• question_answer6)
  Hemiacetals are usually unstable whereas acetals are stable which has the most stable hemiacetal?
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  \[{{C}_{6}}{{H}_{6}}-CHO\] done clear
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• question_answer7)
  In the reaction given below, The final major product is
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer8)
  In the reaction given below, the final product X is
  A)
            done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer9)
  Acetaldehyde on warming with Fehling solution gives a red precipitate of
  A)
  Elemental copper done clear
  B)
  Cuprous oxide done clear
  C)
  Cupric oxide       done clear
  D)
  Mixture of all of the above done clear
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• question_answer10)
   [A] is:
  A)
  done clear
  B)
  done clear
  C)
       done clear
  D)
  done clear
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• question_answer11)
  Which is the most suitable reagent for the following transformation?
  A)
  \[Zn(Hg)-HCl\] done clear
  B)
  \[LiAi{{H}_{4}}\] done clear
  C)
  \[{{N}_{2}}{{H}_{4}}/NaOH/Heat\] done clear
  D)
  \[NaB{{H}_{4}}\] done clear
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• question_answer12)
  Reaction is:
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer13)
  In the reaction, \[{{(C{{H}_{3}})}_{3}}CCHO+HCHO\xrightarrow[heat]{NaOH}A+B\] The products (1) and (2) are respectively:
  A)
  \[{{(C{{H}_{3}})}_{3}}CCOONa\] and \[C{{H}_{3}}OH\] done clear
  B)
  \[{{(C{{H}_{3}})}_{3}}CC{{H}_{2}}OH\] and \[C{{H}_{3}}OH\] done clear
  C)
  \[{{(C{{H}_{3}})}_{3}}COONa\] and \[HCOO{{N}^{-}}N{{a}^{+}}\] done clear
  D)
  \[{{(C{{H}_{3}})}_{3}}CC{{H}_{2}}OH\]and \[HCO{{O}^{-}}N{{a}^{+}}\] done clear
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• question_answer14)
  Consider the following reaction: The correct statement regarding the above reaction is
  A)
  Reaction involves a rearrangement via a bicycle intermediate done clear
  B)
  It is a simple oxidation reaction done clear
  C)
  It is a condensation reaction done clear
  D)
  All of the above done clear
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• question_answer15)
    Which ester given below can most easily be produced by acid catalysed esterification (Fischer's esterification)?
  A)
  \[C{{H}_{3}}C{{H}_{2}}COO{{C}_{6}}{{H}_{5}}\] done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}COOCH(C{{H}_{3}})C{{H}_{2}}C{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}COOC{{(C{{H}_{3}})}_{2}}C{{H}_{2}}C{{H}_{3}}\] done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}COO{{C}_{2}}{{H}_{5}}\] done clear
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• question_answer16)
  On mixing ethy1 acetate with aqueous sodium chloride, the composition of the resultant solution is
  A)
  \[C{{H}_{3}}Cl+{{C}_{2}}{{H}_{5}}COONa\] done clear
  B)
  \[C{{H}_{3}}COONa+{{C}_{2}}{{H}_{5}}OH\] done clear
  C)
  \[C{{H}_{3}}COCl+{{C}_{2}}{{H}_{5}}OH+NaOH\] done clear
  D)
  \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}+NaCl\] done clear
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• question_answer17)
  The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is
  A)
  acidic \[KMn{{O}_{4}}\] done clear
  B)
  alkaline \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] done clear
  C)
  chromic anhydride in glacial acetic acid done clear
  D)
  pyridinium chloro chromate done clear
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• question_answer18)
  Trichloroacetaldehyde was subjected to cannizaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate ion and another compound. The other compound is
  A)
  2, 2, 2-trichlorethanol done clear
  B)
  trichloromethanol done clear
  C)
  2, 2, 2-trichloroethanol done clear
  D)
  chloroform done clear
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• question_answer19)
  Silver mirror test is given by which one of the following compounds?
  A)
  Acetaldehyde done clear
  B)
  Acetone done clear
  C)
  Diethyl ether       done clear
  D)
  Benzophenone done clear
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• question_answer20)
  The compound that will not give iodoform on treatment with alkali and iodine is
  A)
  acetone done clear
  B)
  ethanol done clear
  C)
  diethyl ketone done clear
  D)
  isopropyl alcohol             done clear
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• question_answer21)
  Aromatic carbonyl compounds having molecular formula \[{{C}_{8}}{{H}_{8}}O\] react with \[N{{H}_{2}}OH.\] How many oximes can be formed?
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• question_answer22)
  Examine the structural formulas of following compounds and find number of compounds which show higher rate of nucleophilic addition than
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• question_answer23)
  Examine the structural formulas given below and identify the number of compounds which are reduced by \[NaB{{H}_{4}}\]
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• question_answer24)
  \[C{{H}_{3}}CH=O+C{{H}_{3}}C{{H}_{2}}-CH=O\xrightarrow{H{{O}^{-}},\,\,\Delta }\]mixture of aldols (z). Find the total number of alcohols including stereoisomers and report your answer as (z-5).
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• question_answer25)
  Amongst the following, the total number of compounds soluble in aqueous NaOH is
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