The element present in all organic molecules is

• Nitrogen
• Phosphorus
• Hydrogen
• Carbon

Tags

NGSS.HS-LS1-6

How many electron pairs does carbon share in order to complete its valence shell?

• 1
• 3
• 4
• 8

Tags

NGSS.HS-LS1-6

Which of the following statements correctly describes cis-trans isomers?

• They have the same chemical properties
• They have an asymmetrical carbon that makes them mirror images
• They have different molecular formulas
• They have variations in arrangement around a double bond

Thalidomide and L-dopa, shown below, are examples of pharmaceutical drugs that occur as enantiomers, or molecules that

• are cis-trans isomers
• are mirror images of one another
• are mirror images of one another and have the same biological activity
• have identical three-dimensional shapes

Which of the structures shown is an impossible covalently bonded molecule?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the groups shown above is a carbonyl functional group?

• A
• B
• C
• D

Which molecule shown above has a carbonyl functional group in the form of a ketone?

• A
• B
• C
• D

Which molecule shown above has a carbonyl functional group in the form of an aldehyde?

• A
• B
• C
• D

Organic chemistry is currently defined as

• The study of compounds made only by living cells
• The study of hydrocarbons
• The study of carbon compounds
• The study of vital forces

Identify the asymmetric carbon in this molecule

• A
• B
• C
• D