Organic Chemistry TYS (4E SC(CHEM))

Which statement about alkanes is correct?

• A molecule of propane contains two carbon atoms.

• The general formula is C_nH_2n

• The products of complete combustion are carbon monoxide and water.

• They react with chlorine in a substitution reaction.

Chlorine gas reacts with methane under certain conditions. Which row describes the conditions required and the type of reaction?

• in the dark; addition reaction

• in the dark; substitution reaction

• in ultraviolet light ; addition reaction

• in ultraviolet light ; substitution reaction

Which statement is correct for both alkanes and alkenes?

• Both are unsaturated hydrocarbons.

• Both contain a double bond

• Both decolourise aqueous bromine water.

• Both undergo complete combustion producing carbon dioxide and water.

Which hydrocarbons are members of the same homologous series?

• C₅H₁₀ and C₅H₈

• C₅H₁₀ and C₅H₁₂

• CH₄ and C₂H₄

• CH₄ and C₆H₁₄

The alkanes are a homologous series of compounds with the general formula Which row describes the changes as the value of n increases?

• A

• B

• C

• D

The formulae of three compounds are shown.

C₂H₆   C₄H₁₀    C₆H₁₄

Which statement about these compounds is correct?

• Their chemical properties are similar.

• Their physical properties are the same.

• They are members of different homologous series.

• They have different general formulae.

The structure of a monomer is shown.

What is the structure of the polymer formed by this monomer?

• 
• 
• 
• 

The diagram shows part of the structure of an addition polymer.

Which monomer is used to make this polymer?

• 
• 
• 
• 

The diagram shows part of the structure of an addition polymer.

What formula of the monomer used to the polymer?

• C₂H₄

• C₄H₈

• C₄H₁₀

• C₈H₁₆

A section of an addition polymer is shown.

Which row describes the monomer used to make this polymer?

• A

• B

• C

• D