Ch. 5

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Total cards: 21•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (21)

Front (Question)

Stereoisomers

Back (Answer)

Differ in the ways the atoms are oriented in space

Front (Question)

Enantiomers

Back (Answer)

Type of stereoisomer; Mirror Images

Front (Question)

Diastereoisomers

Back (Answer)

Type of stereoisomers; Not mirror images

Front (Question)

Achiral

Back (Answer)

Superimposible on mirror image

Front (Question)

Chiral

Back (Answer)

Not superimposible on a mirror image

Front (Question)

Tetrahedral Stereogenic center

Back (Answer)

A carbon atom with four different groups

Front (Question)

Typically atoms with stereogenic centers are _______ and aroms with no stereogenic centers are _______

Back (Answer)

Chiral; Achiral

Front (Question)

Stereogenic centers are those where the interchange of two groups gives a _______

Back (Answer)

Stereoisomer

Front (Question)

What are the two different ways to draw an enantiomer?

Back (Answer)

• Draw a mirror image • Switch two substituents on every stereogenic center

#10

Front (Question)

When labeling stereogenic centers, ____ is clockwise and _____ is counterclockwise

Back (Answer)

R; S

#11

Front (Question)

What formula determines how many diastereomers are possible?

Back (Answer)

2^n

#12

Front (Question)

How to draw all diasteromers

Back (Answer)

• Draw one stereoisomer, then it’s mirror image • Switch the positions of one stereogenic carbon and draw its mirror image

#13

Front (Question)

A meso compound

Back (Answer)

An achiral compound that contains tetrahedral stereogenic centers (has a plane of symmetry)

#14

Front (Question)

Identical compounds have the _____ R S designations at every center. Enantiomers have ______ R S designations. Diastereomers have _______ R S designations.

Back (Answer)

same exactly opposite the same for at least one and the opposite for at least one other

#15

Front (Question)

Plane polarized light

Back (Answer)

light that has an electric vector that oscillates in a single plane

#16

Front (Question)

If you know the property on one molecule, its enantiomer has _______ properties

Back (Answer)

identical

#17

Front (Question)

In plane-polarized light, ______ rotates light and ______ does not rotate light

Back (Answer)

Chiral;Achiral

#18

Front (Question)

Two enantiomers rotate plane-polarized light in ___________ directions.

Back (Answer)

Equal but opposite

#19

Front (Question)

Specific rotation formula

Back (Answer)

observed rotation/(length of sample tube)(concentration)

#20

Front (Question)

Given information about a molecule, what do you know about it’s diastereomer

Back (Answer)

Nothing

#21

Front (Question)

How do you separate enantiomers

Back (Answer)

React them with acid to form diastereomers and filter in sand glass. One will move slower than the other and get stuck