2.1 Types of Carbon Compound

Which of the following is an example of inorganic substance?

• C₂H₅OH

• C₃H₆

• H₂CO₃

• C₅H₁₂

Which of the following is a hydrocarbon?

• 
• 
• 
• 

Which compound is a saturated hydrocarbon?

• 
• 
• 
• 

Which of the following is correct about hydrocarbons?

• Hydrocarbons are soluble in water

• All organic compounds are hydrocarbons

• Hydrocarbons are saturated organic compound

• Hydrocarbons contain hydrogen and carbon only

The diagram shows the structural formulae of two organic compounds. Which of the following is correct about both molecules?

• Both have similar boiling point

• Both have similar molecular mass

• Both decolourise bromine water

• Both produce carbon dioxide and water during complete combustion

Which compound is a saturated hydrocarbon?

• Propene

• Propane

• Propanol

• Chloropropane

Diagram below shows gasoline fuel, C₈H₁₈ that is obtained in petrol station. What is the percentage of carbon atoms in gasoline, C₈H_18. [Relative atomic mass : C = 12, H = 1]

• 30.77%

• 44.44%

• 42.86%

• 84.21%