ALKANES

What is the general formula for saturated hydrocarbons?

• C_nH_2n
• C_nH_n+1
• C_nH_2n+1
• C_nH_2n+2

Which of the following statements concerning the reaction of methane with bromine is/are correct?

(1) It is an addition reaction.

(2) It is a substitution reaction.

(3) A similar reaction will occur if propane is used instead of methane.

• (1) only

• (2) only

• (1) and (3) only

• (2) and (3) only

Which is the structures with IUPAC nomenclature

2,2,4-trimethylpentane

• 
• 
• 
• 

What happens if an alkane reacts with limited oxygen?

• Produced carbon dioxide and water

• Produced carbon monoxide and water

• Produced oxygen and water

• Produced soot and water

What is the condition needed for substitution reaction with chlorine?

• presence of sunlight

• presence of red light

• presence of UV light

• all of the above

Which of the following is NOT a product formed when methane reacts under the needed conditions with chlorine?

• CH₃Cl

• CH₂Cl₂

• CHCl₄

• CCl₄

What type of chemical reaction is this:

C₃H₈ + 5O₂ --> 3CO₂ + 4H₂O

• Incomplete combustion

• Substitution with oxygen

• Complete combustion

• Substitution with chlorine

What type of chemical reaction is this:

C₃H₈ + Br₂ --> C₃H₇CBr + HBr

• Incomplete combustion

• Substitution with chlorine

• Complete combustion

• Substitution with bromine

Which of the following is true about incomplete combustion?

• It takes place because there is too much supply of air

• It takes place because there is not enough supply of air

• The products are soot and hydrocarbons

• The products are hydrogen and water

The following is a product of the reaction between propane and chlorine: C₃H₈Cl₂

• TRUE

• FALSE