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Carboxylic Acid Derivatives — JEE Main & Advanced Chemistry PYQs

278 previous year questions from Carboxylic Acid Derivatives with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

278 questionsChemistrySolutions on every page
1

The sum of total number of carbonyl groups ( >C=O ) present in the major products X and Y in the following reactions is ____.

JEE Advanced 2026 Solution View → 2

Complete the following reaction sequence and give the name of major product 'P'. CH₃-CH₂-C N [ (ii) H₃O^+] (i) OH^-/H₂O/ [ (iv) H₂O] (iii) Cl₂/ Red P P (Major product)

JEE Main 2026 Solution View → 3

The descending order of acidity among the following compounds is: A. Phenol B. 4 -nitrophenol C. 4 -methoxyphenol D. 4 -nitrobenzoic acid E. Benzoic acid Choose the correct answer

JEE Main 2026 Solution View → 4

The correct order of acidic strength of the major products formed in the given reactions, is : A. B. CH ₃ CH ₂ CHO [ ] [ Ag ( NH ₃ )₂ ]⁺, OH ⁻ [ B ] C. CH ₄+ O ₂ [ (ii) Na ₂ Cr ₂ O

JEE Main 2026 Solution View → 5

Monocyclic compounds P , Q , R and S are the major products formed in the reaction sequences given below. The product having the highest number of unsaturated carbon atom(s) is-

JEE Advanced 2025 Solution View → 6

The correct reaction/reaction sequence that would produce a dicarboxylic acid as the major product is

JEE Advanced 2025 Solution View → 7

Mixture of 1 g each of chlorobenzene, aniline and benzoic acid is dissolved in 50 mL ethyl acetate and placed in a separating funnel, 5 M NaOH ( 30 mL) was added in the same funnel

JEE Main 2025 Solution View → 8

Which of the following compounds is least likely to give effervescence of CO ₂ in presence of aq. NaHCO ₃ ?

JEE Main 2025 Solution View → 9

The least acidic compund, among the following is :

JEE Main 2025 Solution View → 10

Consider the following reactions. From these reactions which reaction will give carboxylic acid as a major product ? (A) R - C N [ mild condition ] (i) H ⁺ / H ₂ O (B) R - MgX [ (i

JEE Main 2025 Solution View → 11

Consider the following molecules : The correct order of rate of hydrolysis is :

JEE Main 2025 Solution View → 12

The total number of compounds from below when treated with hot KMnO ₄ giving benzoic acid is :

JEE Main 2025 Solution View → 13

The compounds that produce CO ₂ with aqueous NaHCO ₃ solution are: A. B. C. D. E. Choose the correct answer from the options given below:

JEE Main 2025 Solution View → 14

A compound ' X ^ absorbs 2 moles of hydrogen and ' X ^ upon oxidation with KMnO ₄ H ⁺ gives The total number of bonds present in the compound ' X ^ is______

JEE Main 2025 Solution View → 15

In the following reaction sequence, the major product P is formed. Glycerol reacts completely with excess P in the presence of an acid catalyst to form Q . Reaction of Q with exces

JEE Advanced 2024 Solution View → 16

What is the structure of C

JEE Main 2024 Solution View → 17

Identify the product (( P ) ) in the following reaction:

JEE Main 2024 Solution View → 18

Major product (B ) of the following reaction has _______ ( )-bond.

JEE Main 2024 Solution View → 19

The product (C) in the following sequence of reactions has ______ ( ) bonds.

JEE Main 2024 Solution View → 20

Identify major product ‘ P ’ formed in the following reaction.

JEE Main 2024 Solution View → 21

The azo-dye Y formed in the following reactions is Sulphanilic acid + NaNO 2 + CH 3 COOH → X

JEE Main 2024 Solution View → 22

In the following reactions, P , Q , R , and S are the major products. The correct statement(s) about P , Q , R , and S is(are)

JEE Advanced 2023 Solution View → 23

Consider the following reaction scheme and choose the correct option(s) for the major products Q, R and S .

JEE Advanced 2023 Solution View → 24

Match the reactions (in the given stoichiometry of the reactants) in List-I with one of their products given in List-II and choose the correct option. List-I List-II (P) P 2 O 3 +

JEE Advanced 2023 Solution View → 25

The major product ‘ P ’ formed in the following sequence of reactions is

JEE Main 2023 Solution View → 26

In the reaction given below The product ‘ X ’ is :

JEE Main 2023 Solution View → 27

Major product ' P ' formed in the following reaction is Major product

JEE Main 2023 Solution View → 28

In a reaction reagents ‘ X ’ and ‘ Y ’ respectively are:

JEE Main 2023 Solution View → 29

A trisubstituted compound ' A ', C 10 H 12 O 2 gives neutral FeCl 3 test positive. Treatment of compound ' A ' with NaOH and CH 3 Br gives C 11 H 14 O 2 , with hydr

JEE Main 2023 Solution View → 30

Considering the reaction sequence given below, the correct statement(s) is(are)

JEE Advanced 2022 Solution View → 31

Find out the major product for the above reaction.

JEE Main 2022 Solution View → 32

Consider the above reaction and predict the major product.

JEE Main 2022 Solution View → 33

Two isomers A and B with Molar mass 184 g / mol and elemental compositio C , 52 . 2 % ; H , 49 % and Br 42 . 9 % gave benzoic acid and p - bromobenzoic acid, respectively on oxidat

JEE Main 2022 Solution View → 34

In Friedel-Crafts alkylation of aniline, one gets:

JEE Main 2022 Solution View → 35

Given below are two statements : Statement I : The esterification of carboxylic acid with an alcohol is a nucleophilic acyl substitution. Statement II : Electron withdrawing groups

JEE Main 2022 Solution View → 36

Decarboxylation of all six possible forms of diaminobenzoic acids C 6 H 3 NH 2 2 COOH yields three products A , B and C . Three acids give a product ' A ', two acids gives

JEE Main 2022 Solution View → 37

The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is

JEE Main 2022 Solution View → 38

Two statements are given belwo : Statement I : The melting point of monocarboxylic acid with even number of carbon atoms is higher than that of with odd number of carbon atoms acid

JEE Main 2022 Solution View → 39

In the following sequence of reactions a compound A , (molecular formula C 6 H 12 O 2 ) with a straight chain structure gives a C 4 carboxylic acid. A is : A LiAlH 4 H 3 O + B &#10

JEE Main 2021 Solution View → 40

Which one of the following reactions will not yield propanoic acid?

JEE Main 2021 Solution View → 41

Match List - I with List - II. List - I (Chemical Reaction) List - II (Reagent used) a CH 3 COOCH 2 CH 3 → CH 3 CH 2 OH i CH 3 MgBr / H 3 O + (one equivalent) b CH 3 COOCH 3

JEE Main 2021 Solution View → 42

The major product formed in the following reaction is:

JEE Main 2021 Solution View → 43

The correct sequential addition of reagents in the preparation of 3 - nitrobenzoic acid from benzene is:

JEE Main 2021 Solution View → 44

Maleic anhydride Maleic anhydride can be prepared by :

JEE Main 2021 Solution View → 45

The correct order of their reactivity towards hydrolysis at room temperature is:

JEE Main 2021 Solution View → 46

In the above reaction, the reagent " A " is :

JEE Main 2021 Solution View → 47

The product " P " in the above reaction is :

JEE Main 2021 Solution View → 48

What is ' X ' in the given reaction?

JEE Main 2021 Solution View → 49

The number of compound/s given below which contain/s - COOH group is ___ . (Integer answer) (A) Sulphanilic acid (B) Picric acid (C) Aspirin (D) Ascorbic acid

JEE Main 2021 Solution View → 50

Which one of the following reactions will not form acetaldehyde?

JEE Main 2021 Solution View → 51

Which of the following derivatives of alcohols is unstable in an aqueous base?

JEE Main 2020 Solution View → 52

P on treatment with Br 2 / FeBr 3 in CCl 4 produced a single isomer C 8 H 7 O 2 Br wile heating P with sodalime gives toluene. The compound P is:

JEE Main 2020 Solution View → 53

An organic compound [A], molecular formula C 10 H 20 O 2 was hydrolyzed with dilute sulphuric acid to given a carboxylic acid [B] and an alcohol [C]. Oxidation of [C] with CrO 3 -

JEE Main 2020 Solution View → 54

The most suitable reagent for the given conversion is:

JEE Main 2020 Solution View → 55

An ester A(C 4 H 8 O 2 ), on treatment with excess methyl magnesium chloride followed by acidification, gives an alcohol B as the sole organic product. Alcohol B, on oxidation with

NTA Abhyas JEE Main 2020 Solution View → 56

Which of the following compound is not formed in haloform reaction?

NTA Abhyas JEE Main 2020 Solution View → 57

In the given reaction R − CH 2 − COOH → Red P+Br 2 A → NH 3 Alanine The name of I st reaction and group R is -

NTA Abhyas JEE Main 2020 Solution View → 58

Identify the product of above higher esterification reaction.

NTA Abhyas JEE Main 2020 Solution View → 59

Which of the acids cannot be prepared by grignard reagent

NTA Abhyas JEE Main 2020 Solution View → 60

How many of the following acids will show higher reactivity towards esterification reaction as compared to acetic acid?

NTA Abhyas JEE Main 2020 Solution View → 61

In the reaction, CH 3 COOH → LiAlH 4 A → I 2 + NaOH B → Δ Ag (dust) C . The final product (C) is

NTA Abhyas JEE Main 2020 Solution View → 62

Compound C in above reaction sequence is

NTA Abhyas JEE Main 2020 Solution View → 63

The decreasing order of rate of reaction for the following compounds towards S N 2Th (bimolecular nucleophilic substitution with tetrahedral intermediate) reaction is (i) (ii) (iii

NTA Abhyas JEE Main 2020 Solution View → 64

What is the final product of following reactions?

NTA Abhyas JEE Main 2020 Solution View → 65

Which reagent can be used to convert a carboxylic acid chloride into a ketone?

NTA Abhyas JEE Main 2020 Solution View → 66

The number of π bonds in the major product will be _____.

NTA Abhyas JEE Main 2020 Solution View → 67

Which of the following on treatment with hot concentrated acidified K M n O 4 gives 2-methylhexane -1,6-dioic acid as the only organic product?

NTA Abhyas JEE Main 2020 Solution View → 68

The total number of carboxylic acid groups in the product P is

NTA Abhyas JEE Main 2020 Solution View → 69

CH 3 CCl 3 → hydrolysis acid-2 Correct answer is

NTA Abhyas JEE Main 2020 Solution View → 70

Which of the following has highest K a value?

NTA Abhyas JEE Main 2020 Solution View → 71

The correct order of acidic strength of the following is (I) Oxalic acid H O O C - C O O H (II) Malonic acid H O O C - C H 2 - C O O H (III) Succinic acid H O O C - C H 2 2 - C O O

NTA Abhyas JEE Main 2020 Solution View → 72

What represents the best method for converting a carboxylic acid to an aldehyde?

NTA Abhyas JEE Main 2020 Solution View → 73

What are the constituent amines formed when the mixture of a and b undergoes Hofmann bromamide degradation?

NTA Abhyas JEE Main 2020 Solution View → 74

The reaction between an alcohol and an acid with the elimination of water molecule is called

NTA Abhyas JEE Main 2020 Solution View → 75

Name the end product in the following series of reaction. CH 3 COOH → Δ NH 3 A → Δ P 4 O 10 B

NTA Abhyas JEE Main 2020 Solution View → 76

Benzamide on reaction with POC l 3 gives

NTA Abhyas JEE Main 2020 Solution View → 77

R C H 2 O H → K M n O 4 / O H − P . What is the compound P?

NTA Abhyas JEE Main 2020 Solution View → 78

Rearrangement of an oxime to an amide in the presence of a strong acid is called

NTA Abhyas JEE Main 2020 Solution View → 79

Consider the following sequence of reactions. The final product C is

NTA Abhyas JEE Main 2020 Solution View → 80

CH 3 CH 2 COOH ⟶ red P Cl 2 Α ⟶ alc.KOH Β What is B ?

NTA Abhyas JEE Main 2020 Solution View → 81

The total number of carboxylic acid groups in the product P is

NTA Abhyas JEE Main 2020 Solution View → 82

Which of the following represents the correct order of the activity in the given compounds?

NTA Abhyas JEE Main 2020 Solution View → 83

Malonic acid → 150 o C P 2 O 5 Fouls mell A → 200 o C B + Carbon The total number of sigma and Pi bonds present in compound A are:

NTA Abhyas JEE Main 2020 Solution View → 84

Identify A and B in the reaction given below: Ethane nitrile → aq .H 2 SO 4 Hydrolysis A → Sodalime Decarboxylation

NTA Abhyas JEE Main 2020 Solution View → 85

An organic compound A upon reacting with N H 3 gives B. On heating, B gives C. C in presence of KOH reacts with B r 2 to give C H 3 C H 2 N H 2 . A is

NTA Abhyas JEE Main 2020 Solution View → 86

Compound A, C 8 H 9 B r , gives a white precipitate when warmed with alcoholic A g N O 3 . Oxidation of A gives an acid B, C 8 H 6 O 4 . B easily forms anhydride on heating. Identi

NTA Abhyas JEE Main 2020 Solution View → 87

Identify the correct pathway to convert propanoic acid to ethylamine. The reagent represented by A, B and C are C H 3 C H 2 C O O H → A X → B Y → C C H 3 C H 2 N H 2

NTA Abhyas JEE Main 2020 Solution View → 88

Which of the following reactions does not occur?

NTA Abhyas JEE Main 2020 Solution View → 89

The compound that undergoes decarboxylation most readily under mild condition is

NTA Abhyas JEE Main 2020 Solution View → 90

In which of the following reaction C O 2 (carbon dioxide) is not released?

NTA Abhyas JEE Main 2020 Solution View → 91

C | | O − NH 2 → P 2 O 5 A → (i)CH 3 MgBr ii H 3 O + B → i I 2 + Ca ( OH ) 2 ii H 2 O C ; Product is

NTA Abhyas JEE Main 2020 Solution View → 92

Benzoyl chloride is prepared from benzoic acid by

NTA Abhyas JEE Main 2020 Solution View → 93

Which of the following is most reactive towards nucleophilic substitution reaction?

NTA Abhyas JEE Main 2020 Solution View → 94

If the number of σ and π bonds in vinyl acetate are x and y respectively. What is the sum of x + y?

NTA Abhyas JEE Main 2020 Solution View → 95

Identify the final product (Z) in the following sequence of reactions. C 6 H 5 C O O H → i LiAl H 4 i i PB r 3 X → K C N Y → L i A l H 4 Z

NTA Abhyas JEE Main 2020 Solution View → 96

A compound with molecular formula C 4 H 10 O 3 in converted by the action of acetyl chloride to a compound of molecular mass 190. The original compound C 4 H 10 O 3 has how many -

NTA Abhyas JEE Main 2020 Solution View → 97

Consider the following acids 1 . M e C H 2 C O O H 2 . M e 2 C H C O O H 3 . M e 3 C C O O H 4 . E t 3 C C O O H Correct order of the rate of esterification of these acids with MeO

NTA Abhyas JEE Main 2020 Solution View → 98

Give the product when an excess of PhMgBr / H + reacts with dimethyl carbonate C H 3 O C O O C H 3 ?

NTA Abhyas JEE Main 2020 Solution View → 99

The compound 'A' is

NTA Abhyas JEE Main 2020 Solution View → 100

Match list I with list II and select the correct answer using the codes given below the lists. List I (Reactions) List II (Products) ( p ) C H 2 = C H C O O H + H 2 / N i → 1 . tra

NTA Abhyas JEE Main 2020 Solution View → 101

Total number of enol possible for the compound formed during given reaction will be (including stereoisomer) CH 3 MgBr (1 equivalent) + CH 3 CH 2 COCl →

NTA Abhyas JEE Main 2020 Solution View → 102

The heating of oxime of acetone in presence of conc. H 2 S O 4 to form N-methyl ethanamide is called

NTA Abhyas JEE Main 2020 Solution View → 103

Compound (A) → 2 mol of HIO 4 mol of glyoxalic acid. The compound 'A' is

NTA Abhyas JEE Main 2020 Solution View → 104

Which of the following functional groups is generally least reactive towards nucleophilic substitution reactions?

NTA Abhyas JEE Main 2020 Solution View → 105

In the given reaction C H 3 - C H 2 C O O H → i C H 3 L i excess i i H 3 O ⊕ X [X] will be

NTA Abhyas JEE Main 2020 Solution View → 106

An organic acid A reacts with conc. H 2 S O 4 to give a neutral oxide B , acidic oxide C and a diatomic oxide D . When D reacts with chlorine gas, a poisonous gas E is evolved. Thi

NTA Abhyas JEE Main 2020 Solution View → 107

The Compound A and B in the equation given above are

NTA Abhyas JEE Main 2020 Solution View → 108

The product (A) of the following reaction

NTA Abhyas JEE Main 2020 Solution View → 109

Consider the following conversion: Amongst the following, how many methods can be used in any one of steps involved in the mentioned conversion? i. Hoffmann bromamide degradation i

NTA Abhyas JEE Main 2020 Solution View → 110

C 2 H 2 → H 2 SO 4 1% Hg 2 (OH) 2 A → [O] B, , B is

NTA Abhyas JEE Main 2020 Solution View → 111

Bouveault-Blanc reduction reaction involves:

NTA Abhyas JEE Main 2020 Solution View → 112

→ Δ ( n ) moles of C O 2 evolved during given reaction? What is the value of 'n' here

NTA Abhyas JEE Main 2020 Solution View → 113

Arrange reactivity of given compounds in decreasing order for hydrolysis reaction? ( 1 ) ( 2 ) ( 3 ) ( 4 ) Select the correct answer from the codes given below:

NTA Abhyas JEE Main 2020 Solution View → 114

Identify the final product in the given sequence of reaction CH 3 COOH → LiAIH 4 (A) → I 2   +   NaOH (B)   +   Sodium salt &#x2192

NTA Abhyas JEE Main 2020 Solution View → 115

Reaction of ester with Grignard reagent give rise to

NTA Abhyas JEE Main 2020 Solution View → 116

In the given reaction CH 3 − COOH → ii NaCN ( iii ) H 2 O / H ⊕ i Red − P + Br 2 X 'X' will be

NTA Abhyas JEE Main 2020 Solution View → 117

Name the end product in the following series of reactions C 6 H 5 C O O H → N H 3 P → Δ Q → P 2 O 5 R → L i A l H 4 S

NTA Abhyas JEE Main 2020 Solution View → 118

Which of the following reactions produce(s) propane as a major product?

JEE Advanced 2019 Solution View → 119

The correct order of acid strength of the following carboxylic acids is -

JEE Advanced 2019 Solution View → 120

The major product of the following reaction

JEE Main 2019 Solution View →
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