Isomerism - Organic Chemistry - Chemistry Previous Year Questions

1

2017 · Chemistry · Organic Chemistry · Isomerism

KCET 2017

Identify the correct statement in the following.

A

$n$-butane and isobutane are functional isomers

B

Propan-1-ol and propan-2ol are position isomers

C

Dimethyl ether and ethanol are chain isomers

D

Ethanoic acid and methyl methanoate are position isomers

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2

2018 · Chemistry · Organic Chemistry · Isomerism

KCET 2018

Identify the following compound which exhibits geometrical isomerism

A

but-2-ene

B

but-1-ene

C

butane

D

isobutane

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3

2018 · Chemistry · Organic Chemistry · Isomerism

KCET 2018

The two forms of D-glucopyranose are called

A

diastereomers

B

anomers

C

epimers

D

enantiomers

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4

2018 · Chemistry · Organic Chemistry · Isomerism

KCET 2018

$\left[\mathrm{Fe}\left(\mathrm{NO}_2\right)_3 \mathrm{Cl}_3\right]$ and $\left[\mathrm{Fe}(\mathrm{O}-\mathrm{NO})_3 \mathrm{Cl}_3\right]$ shows

A

linkage isomerism

B

geometrical isomerism

C

optical isomerism

D

hydrate isomerism

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5

2020 · Chemistry · Organic Chemistry · Isomerism

KCET 2020

In the reaction,

The number of possible isomers for the organic compound X is

A

4

B

5

C

3

D

2

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6

2020 · Chemistry · Organic Chemistry · Isomerism

KCET 2020

Which of the following is not a pair of functional isomers?

A

\(\mathrm{C}_2 \mathrm{H}_5 \mathrm{OC}_2 \mathrm{H}_5\) and \(\mathrm{C}_3 \mathrm{H}_7\mathrm{OCH}_3\)

B

\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}\) and \(\mathrm{CH}_3 \mathrm{OCH}_3\)

C

\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NO}_2\) and \(\mathrm{H}_2 \mathrm{NCH}_2 \mathrm{COOH}\)

D

\(\mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCOOCH}_3\)

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7

2023 · Chemistry · Organic Chemistry · Isomerism

KCET 2023

A pair of compounds having the same boiling points are

A

cis but-2-ene and trans but-2-ene

B

n-hexane and neo-hexane

C

benzene and naphthalene

D

\((+)\) butan-2-ol and \((-)\) butan-2-ol

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8

2024 · Chemistry · Organic Chemistry · Isomerism

KCET 2024

Propanone and propanal are

A

position isomers

B

functional isomers

C

chain isomers

D

geometrical isomers

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9

2025 · Chemistry · Organic Chemistry · Isomerism

KCET 2025

$$\text { Among the following, identify the compound that is not an isomer of hexane }$$

A

B

C

D

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10

2026 · Chemistry · Organic Chemistry · Isomerism

KCET 2026

The number of chain isomers possible for the hydrocarbon with molecular formula $\text{C}_5\text{H}_{12}$ is

A

$4$

B

$3$

C

$2$

D

$1$

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