Stereoisomers

Which of the following statement is FALSE about stereoisomerism?

• Same molecular formula

• Same semi-structural formula

• Different semi-structural formula

• Different spatial arrangement

A requirement for a geometric isomer is:

• the presence of different atoms

• the presence of the same type of atoms

• the presence of C=C double bonds

• atoms are required to be located at different positions

The geometric isomers shown below are called

• cis/trans-1,2-dichloroethane

• cis/trans-1,2-dichloroethene

• cis/trans-1,2-chloroethane

• cis/trans-1,2-chloroethene

Name the molecule shown

• trans-2-chlorobut-2-ene

• cis-2-chlorobut-2-ene

• cis-1-chloro-1,2-dimethylethene

• trans-1-chloro-1,2-dimethylethene

Which molecule does not show geometric isomerism?

• A

• B

• C

• D

Which of the following statement is FALSE about optical isomers?

• They have at least one chiral carbon

• They are mirror images of each other

• They are non-superimposable

• They are superimposable

Which molecule listed below has a chiral center?

• CH₃CH₂CH(CH₃)CI

• CH₂=CH₂

• CH₃CH₂CH₂(OH)

• (CH₃)₂CH(CI)

How many chiral centers are found in CH₃CH(CI)CH(Br)CH₃?

• 1

• 2

• 3

• 4

How many chiral centers are found in C₂H₅CH(OH)CH₂OH?

• 1

• 2

• 3

• 4

How many enantiomers exist for the molecule C₂H₅CH(OH)CH₂OH?

• 1

• 2

• 3

• 4