UARK OChem Chapter 6

What is the relationship between these two molecules?

• Identical

• Enantiomers

• Diastereomers

• Constitutional Isomers

What is the relationship between these two molecules?

• Identical

• Enantiomers

• Diastereomers

• Constitutional Isomers

What is the relationship between these two molecules?

• Identical

• Enantiomers

• Diastereomers

• Constitutional Isomers

When using a polarimeter, how does the light that exits the sample react with achiral compounds?

• It turns clockwise

• It turns counterclockwise

• It remains unchanged

• There is observed rotation either clockwise or counterclockwise

When using a polarimeter, how does the light that exits the sample react with chiral compounds?

• It rotates counterclockwise

• It remains unchanged

• There is observed rotation either clockwise or counterclockwis

• It rotates clockwise

What do you call an equal mix of two enantiomers?

• equivalent mixture

• racemic mixture

• enantiomeric mixture

• optical mixture

If a racemic mixture is observed in a polarimeter, how will the light that exits the sample tube change?

• It will rotate based on the heavier molecule

• It will rotate based on which molecule contributes most

• It will remain unchanged

• It will always rotate +5 degrees

A certain chiral compound with one tetrahedral stereogenic center is in a mixture containing 56% of one enantiomer. What is the enantiomeric excess of the mixture?

• 44%

• 12%

• 56%

• 68%

What kind of reaction is this?

• substitution

• elimination

• addition

What kind of reaction is this?

• substitution

• elimination

• addition