Isomerism

____________ isomers occur when the types, number and bonds (connectivity) of the atoms are the same, but have a restricted rotation somewhere in a molecule. The common example is the double bond.

• Optical

• Chain

• Geometric

• Position

Which of the following compounds is the enantiomer of the above compound?

• 
• 
• 
• All of the above

__________ structural formula are written without showing all the individual bonds. In this structure, each central atom is shown together with the atoms that are bonded to it

• Molecular

• Condensed

• Expanded

• Skeletal

Isomerism exhibited by acetic acid and methyl formate is ________.

• position

• chain

• functional

• metamerism

Which of the following compounds exhibits stereoisomerism?

• Butanal

• Propanoic acid

• 1-bromohexane

• 3,4-dichloropent-1-ene

optical isomers must have (a)   carbon.

The molecular formula C₅H₁₂ contains how many isomeric alkanes?

• 1

• 2

• 3

• 4

Butan-1-ol and Butan-2-ol exhibit (a)   isomerism

Isomers are molecules that have the _________ molecular formula (contain the same number of atoms), but _______ structurally (having different arrangement of the atoms in space).

• differ, differ

• same, differ

• same, same

• differ, same

Compounds with different functional group but similar molecular formula can have _____________ group isomers.

• chain

• position

• functional

• optical