NEW
Font size
WorksheetsCCC Class 5 chirality
Total questions: 25
Worksheet time: 23mins
____ are organic molecules which rotate the plane of polarization of plane-polarized light.
optically active
meso compounds
chirality
achiral
diastereomers
_____ is the reason for "handedness" in molecules; the property of an object that causes it to be nonsuperimposable on its mirror image
optically active
meso compounds
chirality
achiral
diastereomers
_____ are stereoisomers that are not mirror images.
optically active
meso compounds
racemates
achiral
diastereomers
_____ is an atom in a molecule that is bonded to four different atoms or groups of atoms.
optically active
meso compounds
racemates
prochirality center
chirality center
_____ are molecules which contain a plane of symmetry and chirality centers, but are achiral.
optically active
meso compounds
racemates
prochirality center
enantiomers
_____ is an sp3-hybridized atom that can become a chirality center by changing one of its attached groups.
optically active
meso compounds
racemates
prochirality center
enantiomers
The specific rotation of a compound is denoted by the symbol:
R
S
α
[α]D
Sp
How many chirality centers are there?
2
3
4
5
6
How many chirality centers are there?
2
3
4
5
6
How many chirality centers are there?
1
2
0
3
4
How many chiral centers are there in this molecule?
0
1
2
3
4
Assign R, S configurations to each indicated chirality center in the molecule. The configuration of this carbon atom (A) is _____.
R
S
achiral
Label this pair of stereoisomers as:
enantiomers
diastereomers
identical
Label this pair of stereoisomers as:
enantiomers
diastereomers
identical
Label this pair of stereoisomers as:
enantiomers
diastereomers
identical
Label this pair of stereoisomers as:
enantiomers
diastereomers
identical
Refer to this structure.
is dextrorotatory
rotates plane-polarized light in a counterclockwise direction
rotates plane-polarized light in a clockwise direction
is racemic
A natural product having [α]D = +40.3° has been isolated and purified.
is racemic
does not rotate plane-polarized light.
is levorotatory
is destrorotatory
is achiral
Which of the following objects is not chiral?
ballerina slipper
baseball glove
corkscrew
comb
everything listed is chiral
Which of the following would be has the highest priority according to the sequence rules?
—NH2
—CH3
-H
—SH
—OH
What property can be assigned to a carbon atom that has four different atoms or structural groups attached to it?
isomerity
chirality
chivalry
geometry
Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.
isomers
isotopes
polymers
alkanes
What property can be assigned to a carbon atom that has four different atoms or structural groups attached to it?
isomerity
chirality
chivalry
geometry
In a stereoisomer, ________ means "on the same side" and ______ means "across from."
cis; trans
cis; L
D; L
trans; cis
