Organic Chemistry Basics

What is the general formula for alkanes?

• CnH2n+2

• CnH2n

• CnH2n-2

• CnHn

How many carbon-carbon double bonds are present in alkenes?

• Two

• Three

• One

• None

What is the general formula for alkynes?

• CnHn

• CnH2n+2

• CnH2n

• CnH2n-2

What is the IUPAC name for CH3CH2CH2CH3?

• butane

• ethane

• methane

• propane

How many hydrogen atoms are present in a butane molecule?

• 20

• 3

• 10

• 5

What is the IUPAC name for CH3CH=CH2?

• methane

• ethene

• propene

• butene

What is the IUPAC name for CH3C≡CH?

• propyne

• methane

• ethene

• butyne

What is the molecular formula for propane?

• H2O

• CH4

• C3H8

• CO2

What is the molecular formula for ethene?

• CO2

• H2O

• C2H4

• CH4

What is the molecular formula for butyne?

• C5H10

• C3H8

• C4H6

• C4H10