Alkanes

What is isomerism in alkanes?

• Isomerism in alkanes is when compounds have different molecular formulas but the same structural arrangement.

• Isomerism in alkanes is when compounds have the same molecular formula and structural arrangement.

• Isomerism in alkanes is when different alkane compounds have the same molecular formula but different structural arrangements.

• Isomerism in alkanes is when compounds have different molecular formulas and structural arrangements.

Discuss the physical properties of alkanes.

• Solubility in water

• High densities

• High boiling points

• Physical properties of alkanes include low boiling points, insolubility in water, low densities, and nonpolar nature.

Explain the chemical reactions of alkanes.

• Alkanes undergo photosynthesis reactions.

• Alkanes undergo polymerization reactions.

• Alkanes undergo fermentation reactions.

• Alkanes undergo combustion, halogenation, and cracking reactions.

What happens during alkane combustion reactions?

• Alkanes react with carbon dioxide to produce oxygen and water.

• Alkanes react with nitrogen to produce carbon monoxide and water.

• Alkanes react with oxygen to produce carbon dioxide and water.

• Alkanes react with sulfur to produce sulfur dioxide and water.

List some alkane synthesis methods.

• Free radical halogenation, hydrohalogenation of alkenes, hydrogenation of alkynes, Wurtz reaction

• Sandmeyer reaction

• Fischer esterification

• Grignard reaction

How many structural isomers does C6H14 have?

• 3

• 5

• 7

• 10

What is the general formula for alkanes?

• CnH2n+3

• CnH2n+2

• CnH2n

• CnH2n-2

Why are alkanes considered to be saturated hydrocarbons?

• Alkanes contain double bonds between carbon atoms.

• Alkanes are highly reactive hydrocarbons.

• Alkanes contain only single bonds between carbon atoms.

• Alkanes have a complex molecular structure.