Isomers

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

• isomers

• isotopes

• polymers

• alkanes

What property can be assigned to a carbon atom that has four different atoms or structural groups attached to it?

• isomerity

• chirality

• chivalry

• geometry

Chiral carbons will produce _____________.

• structural isomers

• optical isomers

• polymers

• monomers

What operation would transform 2,2 dimethylbutane into hexane?

• Adding one carbon and three hydrogen atoms.

• Moving a methyl group to the other end of the molecule.

• Moving both methyl groups, one to each end of the molecule

• Rotating the molecule.

In a stereoisomer, ________ means "on the same side" and ______ means "across from."

• cis; trans

• cis; L

• D; L

• trans; cis

How many structural isomers exist for hexane

• three

• two

• five

• four

A double bond between two carbon atoms consists of

• 2 sigma bonds
• 1 sigma bond and 1 pi bond
• 2 pi bonds
• The bonding scheme varies depending on the molecule

There are two main forms of isomerism, which are?

• Structural isomerism and Stereoisomerism

• Stereoisomerism and Physical isomerism

• Chemical isomerism and Stereoisomerism

• Structural isomers and Geometric Isomers

A structural isomer of pentane is?

• 2,2-dimethyl butane

• 2-methyl butane

• 1-methyl propane

• 1-methyl pentane

Geometric isomers shown below is called

• Cis/trans 1,2 dichloroethane
• Cis/trans 1,2 dichloroethene
• Cis/trans 1,2 chloroethane
• Cis/trans 1,2 chloroethene