Carboxylic Acids And Amines - Organic Chemistry - Chemistry Previous Year Questions

1

2017 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2017

The yield of acetanilide in the reaction (100% conversion) of 2 moles of aniline with 1 mole of acetic anhydride is

A

270 g

B

135 g

C

67.5 g

D

177 g

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2

2017 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2017

For the reaction below


the structure of the product Q is

A

B

C

D

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3

2017 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2017

The reaction sequence given below given product R.


The structure of the product R is

A

B

C

D

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4

2017 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2017

The conversion of CH₃ \(-\) CH₂ \(-\) COOH to


can be accomplished by

A

SOCl₂, LiAlH₄, ethylene glycol.

B

SOCl₂, KMnO₄, NH₂NH₂

C

SnCl₂, HCl, Na₂SO₃

D

HCl, SnCl₂ ethylene glycol

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5

2018 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2018

If aniline is treated with conc. H₂SO₄ and heated at 200\(^\circ\)C, the product is

A

anilinium sulphate

B

benzenesulphonic acid

C

m-aminobenzenesulphonic acid

D

sulphanilic acid

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6

2019 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2019

The compound (s), capable of producing achiral compound on heating at 100\(^\circ\) is/are

A

B

C

D

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7

2019 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2019

One of the products of the following reaction is P.


Structure of P is

A

B

C

D

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8

2019 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2019

For the reaction below, the product is Q.


The compound Q is

A

B

C

D

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9

2020 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2020

For the above three esters, the order of rates of alkaline hydrolysis is

A

I > II > III

B

II > III > I

C

I > III > II

D

III > I > II

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10

2021 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2021

The exact order of acidity of the compounds p-nitrophenol, acetic acid, acetylene and ethanol is

A

p-nitrophenol < acetic acid < acetylene < ethanol

B

acetic acid < p-nitrophenol < acetylene < ethanol

C

acetylene < p-nitrophenol < ethanol < acetic acid

D

acetylene < ethanol < p-nitrophenol < acetic acid

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11

2021 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2021

The dipeptides which may be obtained from the amino acids glycine, and alanine are

A

only 1

B

only 2

C

both 1 and 2

D

all of them

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12

2022 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2022

What is the correct order of acidity of salicylic acid, 4-hydroxybenzoic acid, and 2, 6-dihydroxybenzoic acid ?

A

2, 6-dihydroxybenzoic acid > salicylic acid > 4-hydroxybenzoic acid

B

2, 6-dihydroxybenzoic acid > 4-hydroxybenzoic acid > salicylic acid

C

salicylic acid > 2, 6-dihydroxybenzoic acid > 4-hydroxybenzoic acid

D

salicylic acid > 4-hydroxybenzoic acid > 2, 6-dihydroxybenzoic acid

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13

2023 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2023

The correct set(s) of reactions to synthesize benzoic acid starting from benzene is/are

A

(i) \(B{r_2}/Fe\), (ii) Mg/dry ether, (iii) \(C{O_2}\), (iv) \({H_3}{O^ \oplus }\)

B

(i) \(B{r_2}/Fe\), (ii) \(N{H_3},25^\circ\), (iiI) \(NaN{O_2},\) dil. \(HCl,0^\circ\) to \(5^\circ\), (iv) \(CuCN/KCN\), (v) dil.HCl, \(\Delta\)

C

(i) CH\(_3\)Cl, Anhydrous AlCl\(_3\), (ii) \(KMn{O_4}|\mathop O\limits^\Theta H,\Delta\), (iii) \({H_3}\mathop O\limits^ \oplus\)

D

(i) CH\(_3\)COCl, Anhydrous AlCl\(_3\), (ii) Br\(_2\), NaOH, (iii) \({H_3}{O^ \oplus }\)

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14

2023 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2023

The conversion(s) that can be carried out by bromine in carbon tetrachloride solvent is/are

A

PhCH = CHCH\(_3\) \(\to\) PhCHBrCHBrCH\(_3\)

B

C

CH\(_3\)CH\(_2\)COOH \(\to\) CH\(_3\)CHBrCOOH

D

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15

2024 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2024

The product 'P' in the above reaction is

A

\(\mathrm{Ph} \mathrm{CH}=\mathrm{CHCH}_2 \mathrm{COOH}\)

B

C

D

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16

2025 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2025

Compound given below will produce effervescence when mixed with aqueous sodium bicarbonate solution

A

B

$\mathrm{CH}_3 \mathrm{COCH}_3$

C

D

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17

2025 · Chemistry · Organic Chemistry · Carboxylic Acids And Amines

WB JEE 2025

Which of the following statement(s) is/are correct about the given compound?

A

It exhibits tautomerism.

B

It does not react with metallic sodium.

C

It gives reddish-violet coloration with $\mathrm{FeCl}_3$ solution.

D

It gives precipitate with 2,4-dinitrophenyl hydrazine solution.

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