Quiz | Stereoisomers

1

What is the definition of a chiral compound?

A superimposable object on its mirror image

A molecule with a carbon atom with 4 different substituents

A molecule with a plan of symmetry

A non-superimposable object on its mirror image

2

Which statement is incorrect?

The (+) stereoisomer of two diastereomers have different absolute value and same or opposite sign

(+) in front of a chiral compound means the same than R

A racemic mixture of a chiral compound contains equal amount of (+) and (-) compound

The (+) and (-) stereoisomer of the same chiral compound will rotate polarized light equally but in opposite directions

3

How many chiral centers does the 2,4-dibromo-1,1,4-trimethylcyclohexane have?

0

1

2

3 or +

4

Which of the following compound is chiral?

1-bromobutane

2-bromobutane

2-bromo-2-methylbutane

3-bromopentane

5

Which of the following compound is meso?

cis-1,3-dimethylcyclohexane

trans-1,3-dimethylcyclohexane

(+)-2-methylbutane

1-bromo-3-methylcyclohexane

6

What is the enantiomer of the (1S,3S)-1-bromo-3-methylcyclohexane?

(1S,3R)-1-bromo-3-methylcyclohexane

(1R,3S)-1-bromo-3-methylcyclohexane

(1R,3R)-1-bromo-3-methylcyclohexane

(1S,3S)-1-bromo-3-methylcyclohexane is not chiral

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