Enantiomers vs Chiral Quiz

What is the structural basis of enantiomerism?

• Chirality

• Optical activity

• Isomerism

• Stereochemistry

How are enantiomers defined?

• Molecules with opposite structures

• Molecules with different physical properties

• Molecules with identical properties

• Molecules with different chemical formulas

What term is used to describe the optical activity of enantiomers?

• Chiral molecules

• Optical isomers

• Racemic mixtures

• Stereoisomers

What happens when two enantiomers are present in equal proportions?

• They form a new compound

• They enhance each other's properties

• They become more reactive

• They cancel each other's optical activity

What is a molecule called if it is not superimposable on its mirror image?

• Chiral

• Achiral

• Isomer

• Racemic

What is the requirement for a molecule to exhibit chirality?

• Presence of a racemic mixture

• Presence of identical substituents

• Presence of a mirror image

• Presence of a stereocenter

What class of physical techniques can distinguish between enantiomers?

• Spectroscopic techniques

• Electrochemical techniques

• Chiroptical techniques

• Chromatographic techniques

What determines the chiroptical properties of a molecule?

• Bond lengths and angles

• Torsional angles only

• Sign of the torsional angles

• Magnitude of the torsional angles

What is the most common chiroptical technique used to distinguish enantiomers?

• Optical rotation

• Mass spectrometry

• Infrared spectroscopy

• NMR spectroscopy