Aromatic Chemistry - Organic Chemistry - Chemistry Previous Year Questions

1

2017 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2017

The reduction of benzene diazonium chloride to phenyl hydrazine can be accomplished by

A

SnCl₂, HCl

B

Na₂SO₃

C

CH₃CH₂OH

D

H₃PO₂

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2

2021 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2021

The products X and Y which are formed in the following sequence of reactions are respectively.

A

B

C

D

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3

2022 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2022

The product of the following hydrogenation reaction is:

A

B

C

D

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4

2022 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2022

The product of the following reaction is :

A

B

C

D

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5

2022 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2022

The above conversion can be carried out by,

A

Zn - Hg/Conc. HCl

B

i. H₂NNH₂ ii. NaOH in ethylene glycol, \(\Delta\)

C

i. HSCH₂CH₂SH/H^\(\oplus\) ii. H₂/Ni

D

Bromine water

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6

2024 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2024

Toluene reacts with mixed acid at \(25^{\circ} \mathrm{C}\) to produce

A

nearly equal amounts of \(\underline{o}\)- and \(\underline{m}\)- nitrotoluene

B

\(\underline{p}\) only

C

predominantly \(\underline{o}\)- nitrotoluene and \(\underline{p}\)- nitrotoluene

D

2, 4, 6-trinitrotoluene (only)

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7

2025 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2025

The major product (F) in the following reaction is

A

$\underline{o}$-Anisidine

B

  $\underline{m}$-anisidine

C

$\underline{p}$-Anisidine

D

$\underline{p}$-Chloro aniline

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8

2026 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2026

Which one of the following does not lose water even in conc. $\mathrm{H}_2 \mathrm{SO}_4$ ?

A

1

B

2

C

3

D

4

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9

2026 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2026

The products $\mathbf{X}$ and $\mathbf{Y}$ in the following reaction sequence are

A

B

C

D

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10

2026 · Chemistry · Organic Chemistry · Aromatic Chemistry

WB JEE 2026

In the following sequence of reactions, what is the end product ' $Z$ '?

A

B

C

D

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