OC 1 Exam 2 Review 2023

How many chiral carbons are in the following molecule?

• 1

• 2

• 3

• 4

How are the following two compounds related to each other?

• Enantiomers

• Diastereomers

• Constitutional isomers

• Identical compounds

How are these two compounds related?

• Enantiomers

• Diastereomers

• Constitutional Isomers

• Identical molecules

Which of the following molecules are chiral?

A) cis-1,3-dibromocyclohexane

B) 1-bromo-1-methylcyclohexane

C) trans-1-bromo-3-methylcyclohexane

D) cis-1-bromo-3-methylcyclohexane

• A, B

• B, C

• C, D

• A, D

Which of the following has (S) configuration?

• A

• B

• C

• D

Which of the following is the most stable configuration of the following compound?

• I

• II

• III

• IV

Which isomer of 1,2,4-trimethylcyclohexane is the MOST stable?

• I

• II

• III

• IV

What is the relationship between the following pair of compounds?

• identical

• stereoisomers

• constitutional isomers

• not isomers at all

Which of the following statements about stereoisomers is NOT true ?

• Stereoisomers have identical IUPAC names except for prefixes like R or S

• Stereoisomers always differ in configuration

• Stereoisomers always have the same functional group

• Stereoisomers differ in their molecular formula

What is the relationship between the following compounds?

• Constitutional isomers

• Identical

• Stereoisomers

• Not isomers, different compounds