A) It cannot be superimposed on its mirror image.
B) It has a linear structure.
C) It has no stereocenters.
D) It has no optical rotation.

A) An atom that is bonded to two groups.
B) An atom that is bonded to three different groups.
C) An atom that is bonded to four different groups.
D) An atom that is bonded to four identical groups.

A) 1
B) 2
C) 3
D) 4

A) Chiral molecules are always more soluble than achiral molecules.
B) Enantiomers have identical physical properties except for optical activity.
C) Racemic mixtures have higher melting points than pure enantiomers.
D) Diastereomers have identical boiling points.

A) Ultraviolet light.
B) Infrared light.
C) Plane-polarized light.
D) Visible light.

A) By checking the molecular weight of a compound.
B) By measuring optical activity with a polarimeter.
C) By analyzing the color of the substance.
D) By counting the number of carbons in a molecule.

A) A mixture of meso compounds.
B) A 50:50 mixture of two enantiomers.
C) A mixture of diastereomers.
D) A mixture of structurally different molecules.

A) They have no medicinal value.
B) They can have different biological effects.
C) They are easier to synthesize.
D) They have the same properties in the body.

A) A compound that absorbs light.
B) A compound with high molecular weight.
C) A compound with no stereocenters.
D) A compound that rotates the plane of polarized light.