Alkenes & Alkynes

In alkanes, each carbon atom is bonded to how many other atoms?

• two

• three

• four

• five

Hydrocarbons that contain a double bond are classified as ___

• alkanes

• alkenes

• alkynes

• alkines

Hydrocarbons that contain a triple bond are called ___

• alkanes

• alkenes

• alkynes

• alkones

A hydrocarbon with three carbons and one double bond is called ___

• propane

• butane

• propene

• butene

A hydrocarbon with three carbons and one triple bond is called ___

• propane

• propanone

• propene

• propyne

Single bonds, such as those in alkanes, are also called ___

• theta bonds

• pi bonds

• sigma bonds

• omega bonds

A double bond, such as those in alkenes, consists of ___

• a sigma bond

• a pi bond

• a sigma bond and a pi bond

• a sigma bond and two pi bonds

Isomers that occur due to restricted rotation around a double bond are classified as ___

• structural isomers

• tautomers

• spin isomers

• cis-trans isomers

In 2-butene, If the methyl groups are on the same side of the double bond, we call it ___

• delta- 2-butene

• cis-2-butene

• sigma-2-butene

• trans-2-butene

In 2-butene, If the methyl groups are across the double bond from each other, we call it ___

• far-2-butene

• cis-2-butene

• cis-trans-butene

• trans-2-butene