Carboxylic Acids: Preparation & Properties Recommended PYQs (STRICTLY NCERT Based) Aldehydes, Ketones and Carboxylic Acids Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers, NEETprep,neet questions, neet practice questions, neet practice paper,neetprep, neetprep practice questions, mock test neet, neet physics questions, neet mcq, neet questions with answers, neet questions with explanations,NEET attempt,NEET test series, AIIMS Delhi preparation,NEET rank rewards, NTA level NEET questions, NEET online coaching,physicswallah neet, physicswala neet,allen neet, akash neet, physics online course, chemistry online course,biology online course, zoology online course, botany online course, Aryan Raj Singh NEET course

Q1:

Compound P (C₈H₈O) 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 that produces effervescence on treating with aq. NaHCO₃; Compounds P and Q, respectively, are :

1.
2.
3.
4.

Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |

60%

Level 2: 60%+

NEET - 2026

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Q2:

For the following reaction sequence, choose the correct option

1.	Both P and Q are carbonyl compounds.
2.	If P is the sodium salt of a carboxylic acid, Q is a primary alcohol.
3.	P and Q are aromatic compounds.
4.	If P gives a carboxylic acid on acidification, Q gives a poisonous gas on exposure to air and light.

Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties | Name Reaction |

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NEET - 2026

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Q3:

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

1.	\(\small {\mathrm{HCOOH}>\mathrm{CH}_3 \mathrm{COOH}> \left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH} }\) \(\small {> \left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}} \)
2.	\(\small {\mathrm{HCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}> \left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}}\) \( \small{ > \mathrm{CH}_3 \mathrm{COOH}} \)
3.	\(\small { \left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}> \mathrm{CH}_3 \mathrm{COOH}}\) \(\small {>\mathrm{HCOOH}} \)
4.	\(\small {\mathrm{CH}_3 \mathrm{COOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}> \left(\mathrm{CH}_3\right)_3\mathrm{CCOOH} }\) \(\small {>\mathrm{HCOOH}} \)

Subtopic: Carboxylic Acids: Preparation & Properties |

64%

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NEET - 2025

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Q4:

Match the reactions listed in List-I with the appropriate reagents or conditions listed in List-II:

	List-I (Reaction)		List-II (Reagents/ Condition)
A.		I.
B.		II.	\(\mathrm{CrO}_3\)
C.		III.	\(\begin{aligned} & \mathrm{KMnO}_4 \\ & \mathrm{KOH}, \Delta \end{aligned}\)
D.		IV.	\(\mathrm{(i) \mathrm{O}_3\\ (ii) \mathrm{Zn}-\mathrm{H}_2 \mathrm{O}}\)

Choose the correct answer from the options given below:

1.	\(\text { A-III, B-I, C-II, D-IV }\)
2.	\(\text { A-IV, B-I, C-II, D-III }\)
3.	\(\text { A-I, B-IV, C-II, D-III }\)
4.	\(\text { A-IV,B-I, C-III, D-II }\)

Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |

74%

Level 2: 60%+

NEET - 2024

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Q5:

Given below are two statements:

Statement I:	Benzoic acid produces effervescence on treatment with aq. \(\mathrm{NaHCO}_3\)
Statement II:	The effervescence is due to the release of hydrogen gas.

In the light of the above statements, choose the most appropriate answer from the options give below:

1.	Both Statement I and Statement II are correct.
2.	Both Statement I and Statement II are incorrect.
3.	Statement I is correct but Statement II is incorrect.
4.	Statement I is incorrect but Statement II is correct.

Subtopic: Carboxylic Acids: Preparation & Properties |

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NEET - 2024

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Q6:

Find out the weight (in g) of two moles of the organic compound, which is obtained by heating sodium ethanoate with sodium hydroxide in the presence of calcium oxide:

1. 18
2. 16
3. 32
4. 30

Subtopic: Carboxylic Acids: Preparation & Properties |

64%

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NEET - 2023

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Q7:

Given is a reaction for your reference:

The final product [C] is:

1.		2.
3.		4.

Subtopic: Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |

65%

Level 2: 60%+

NEET - 2023

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Q8:

\(\mathrm{RMgX}+\mathrm{CO}_{2} \underset{\bf\text { ether }}{\stackrel{\bf\text { dry }}{\longrightarrow}} \mathrm{Y} \xrightarrow{{\mathrm{H}_{3} \mathrm{O}^{+}}}RCOOH\)
What is Y in the above reaction?
1. (RCOO)₂Mg
2. RCOO^-Mg⁺X
3. R₃CO^-Mg⁺X
4. RCOO^-X⁺