Aldehydes, Ketones and Carboxylic Acids PYQs - Last 5 Years

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Practice 29 NEET Chemistry questions from Aldehydes, Ketones and Carboxylic Acids. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Aldehydes, Ketones and Carboxylic Acids Questions

Showing 29 of 29 filtered questions.

1Aldehydes Ketones And Carboxylic Acids

Consider the following reaction, and choose the correct option.

2Aldehydes Ketones And Carboxylic Acids

\(\text { The compound that CANNOT be obtained from the aldol condensation reaction shown below, is }\)

3Aldehydes Ketones And Carboxylic Acids

\(\text { For the following reaction sequence, choose the correct option }\)

4Aldehydes Ketones And Carboxylic Acids

Compound $\mathrm{P}\left(\mathrm{C}_8 \mathrm{H}_8 \mathrm{O}\right)$ gives a red orange precipitate with 2,4-DNP reagent and it does not reduce Fehling's reagent. On drastic oxidation with chromic acid, $P$ gives an aromatic product $Q$ t...

5Aldehydes Ketones And Carboxylic Acids

In a test tube containing a salt, a few drops of dilute $\mathrm{H}_2 \mathrm{SO}_4$ was added, which gave colourless vapours having the smell of vinegar. The vapours turned the blue litmus paper red.
Identify the correct anion from the fol...

6Aldehydes Ketones And Carboxylic Acids

\(\text { Match List I with List II: }\)
Choose the correct answer from the options given below :

7Aldehydes Ketones And Carboxylic Acids

Identify the suitable reagent for the following conversion.

8Aldehydes Ketones And Carboxylic Acids

The correct order of decreasing acidity of the following aliphatic acids is

9Aldehydes Ketones And Carboxylic Acids

Select the incorrect reaction among the following :

10Aldehydes Ketones And Carboxylic Acids

Identify the correct reagents that would bring about the following transformation.

11Aldehydes Ketones And Carboxylic Acids

For the given reaction:

'P' is

12Aldehydes Ketones And Carboxylic Acids

Match List I with List II.

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13Aldehydes Ketones And Carboxylic Acids

The major product formed in the following conversion is ___________.

14Aldehydes Ketones And Carboxylic Acids

Reagents which can be used to convert alcohols to carboxylic acids, are
(A) \(\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4\)
(B) \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{H}_2 \mathrm{SO}_4\)
(C) $$\mathrm{KMnO}_4+\mathrm{KOH} / \mathr...

15Aldehydes Ketones And Carboxylic Acids

The following conversion is known as:

16Aldehydes Ketones And Carboxylic Acids

Identify 'X' in above reactions

17Aldehydes Ketones And Carboxylic Acids

Consider the given reaction:
\(\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\text { dil } \mathrm{Ba}(\mathrm{OH})_2}{\longrightarrow} \text { ''X" }\)
The functional groups present in compound "\(\mathrm{X}\)" are:

18Aldehydes Ketones And Carboxylic Acids

Identify the final product [D] obtained in the following sequence of reactions.

19Aldehydes Ketones And Carboxylic Acids

Identify the major product obtained in the following reaction:

20Aldehydes Ketones And Carboxylic Acids

Complete the following reaction:

[C] is _______.

21Aldehydes Ketones And Carboxylic Acids

The incorrect method to synthesize benzaldehyde is

22Aldehydes Ketones And Carboxylic Acids

Match List-I with List-II :

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23Aldehydes Ketones And Carboxylic Acids

The product formed from the following reaction sequence is

24Aldehydes Ketones And Carboxylic Acids

Which of the following reactions is not an example for nucleophilic addition-elimination reaction?

25Aldehydes Ketones And Carboxylic Acids

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?

26Aldehydes Ketones And Carboxylic Acids

Compound X on reaction with O3 followed by Zn/H2O gives formaldehyde and 2-methyl propanal as products. The compound X is

27Aldehydes Ketones And Carboxylic Acids

Match List-I with List-II.

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28Aldehydes Ketones And Carboxylic Acids

RMgX + CO2 \(\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{dry}}\) Y \(\buildrel {{H_3}{O^ + }} \over \longrightarrow\) RCOOH
What is Y in the above reaction?

29Aldehydes Ketones And Carboxylic Acids

Given below are two statements :
Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due to dipole - dipole int...