Isomerism Test

Result

Isomerism Test - 1

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following compounds may not exist as enantiomers?

A
CH₃CH(OH)CO₂H

B
CH₃ CH₂CH(CH₃)CH₂ OH

C
C₆H₅CH₂CH₃

D
C₆ H₅ CHClCH₃

Solution

In C₆ H₅ CH₂ CH₃ chiral centre is absent.
Question 2
4 / -1

Number of isomers of molecular formula C₂H₂Br₂ are:

A
1

B
2

C
3

D
0

Solution

C₂ H₂ Br₂ has three isomers.
Question 3
4 / -1

Which one of the following objects is ‘achiral’?

A
Letter P

B
Letter F

C
Ball

D
A pair of hand

Solution

Ball is achiral where other objects are chiral because objects and their mirror images are non-super imposable
Question 4
4 / -1

Total number of isomers of a disubstituted benzene compound is:

A
1

B
2

C
3

D
4

Solution
Question 5
4 / -1

Which is not found in alkenes?

A
Chain isomerism

B
Geometrical isomerism

C
Metamerism

D
Position isomerism

Solution

Metamerism is special types of isomerism shown by secondary amines, ethers and ketones.
Question 6
4 / -1

Diethyl ether is not associated with which one of these isomers?

A
Butanoic acid

B
Methyl propionate

C
Steroisomerism

D
None of these

Solution

Diethyl ether is position isomer and not stereoisomer.
Question 7
4 / -1

The isomerism exhibited by alkyl cyanide and alkyl isocyanide is:

A
Functional

B
Positional

C
Tautomerism

D
Metamerism

Solution

are functional isomers
Question 8
4 / -1

Which of the following pairs are not isomeric compounds?

A
Ethyl ethanoate and methyl propanoate

B
Butanone and butanal

C
Ethoxy propane and propoxy ethane

D
Methoxy methane and ethanol

Solution

Both are same compounds.
Question 9
4 / -1

Functional isomerism is exhibited by the following pair of compounds:

A
Acetone, propionaldehyde

B
Diethyl ether, methyl propyl ether

C
Butane, isobutane

D
1-butene, 2-butene

Solution

are functional isomers.
Question 10
4 / -1

The total number of possible isomeric trim ethyl benzene is:

A
2

B
3

C
4

D
6

Solution

Three isomers are possible