Advanced Stereochemistry Quiz

Who originated the term stereochemistry in 1878?

• Vektor Mayer

• Louis Pasteur

• Jacobus H. van’t Hoff

• John Cornforth

What did Louis Pasteur show in 1848 regarding tartaric acid?

• It is highly reactive

• It is colorless

• It is a gas

• It has optical activity

Who explained in 1874 how a molecule with a carbon atom bonded to four different groups has two mirror-image forms?

• Vladimir Prelog

• William Knowles

• Louis Pasteur

• Jacobus H. van’t Hoff

Who shared a Nobel Prize in 1975 for work on stereochemistry and stereoisomerism of natural compounds?

• John Cornforth

• Vladimir Prelog

• William Knowles

• Ryoji Noyori

What is the branch of chemistry concerned with the three-dimensional arrangement of atoms and molecules?

• Analytical Chemistry

• Stereochemistry

• Inorganic Chemistry

• Physical Chemistry

What type of isomers have the same molecular formula but different structural formula and are non-superimposable?

• Homomers

• Isomers

• Enantiomers

• Diastereomers

What is the term for strain that results from eclipsed bonds in a molecule?

• Torsional strain

• Van der Waals strain

• Ring strain

• Angle strain

Which conformation of cyclohexane is the most stable?

• Twist-boat

• Half-chair

• Boat

• Chair

What is the property of optical isomers that allows them to rotate plane-polarized light?

• Steric strain

• Torsional strain

• Ring strain

• Optical activity

What is the term for stereoisomers that are nonsuperimposable mirror images of each other?

• Conformational isomers

• Diastereomers

• Enantiomers

• Geometrical isomers