Aldehydes, Ketones and Carboxylic Acids

JEE Advanced · Chemistry · 20 past questions

1. Q1 2024 Paper 1

   Complete reaction of acetaldehyde with excess formaldehyde, upon heating with conc. NaOH solution, gives P…

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2. Q2 2022 Paper 2

   The total number of chiral molecules formed from one molecule of **P** on complete ozonolysis (O$_3$… (with a figure)

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3. Q3 2019 Paper 1

   The correct order of acid strength of the following carboxylic acids is (with a figure)

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4. Q4 2019 Paper 2

   Answer Q.17 and Q.18 by appropriately matching the lists based on the information given in the paragraph… (with a figure)

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5. Q5 2017 Paper 2

   Compounds $\mathbf{P}$ and $\mathbf{R}$ upon ozonolysis produce $\mathbf{Q}$ and $\mathbf{S}$, respectively.… (with a figure)

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6. Q6 2016 Paper 2

   Reagent(s) which can be used to bring about the following transformation is(are) (with a figure)

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7. Q7 2015 Paper 1

   The major product of the following reaction is (with a figure)

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8. Q8 2015 Paper 2

   Among the following, the number of reaction(s) that produce(s) benzaldehyde is (with a figure)

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9. Q9 2015 Paper 2

   In the following reactions, the product S is (with a figure)

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10. Q10 2014 Paper 1

    In the reaction shown below, the major product(s) formed is/are (with a figure)

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11. Q11 2014 Paper 1

    Consider all possible isomeric ketones, including stereoisomers, of MW = 100. All these isomers are…

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12. Q12 2013 Paper 2

    After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are) (with a figure)

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13. Q13 2013 Paper 2

    Paragraphs for Questions 35 and 36… (with a figure)

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14. Q14 2012 Paper 1

    The number of optically active products obtained from the **complete** ozonolysis of the given compound is (with a figure)

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15. Q15 2012 Paper 2

    The compound that undergoes decarboxylation most readily under mild condition is (with a figure)

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16. Q16 2010 Paper 2

    Paragraph for Questions 12 to 14.… (with a figure)

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17. Q17 2010 Paper 2

    Paragraph for Questions 12 to 14.… (with a figure)

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18. Q18 2010 Paper 2

    Paragraph for Questions 12 to 14.… (with a figure)

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19. Q19 2008 Paper 2

    Paragraph for Question Nos. 58 to 60… (with a figure)

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20. Q20 2008 Paper 2

    Paragraph for Question Nos. 58 to 60…

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