Q1: 1. Which of the following hydrocarbons is the simplest alkane?

• A) Methane
• B) Ethane
• C) Propane
• D) Butane

Q2: 2. What is the general formula for alkenes?

• A) CnH2n+2
• B) CnH2n
• C) CnH2n-2
• D) CnH2n-4

Q3: 3. Which of the following is an aromatic hydrocarbon?

• A) Methane
• B) Ethylene
• C) Benzene
• D) Acetylene

Q4: 4. What is the name of the hydrocarbon with the formula C3H8?

• A) Methane
• B) Ethane
• C) Propane
• D) Butane

Q5: 5. Which type of hydrocarbon has a triple bond between carbon atoms?

• A) Alkane
• B) Alkene
• C) Alkyne
• D) Aromatic

Q6: 6. What is the IUPAC name for the hydrocarbon with the formula C4H10?

• A) Butane
• B) Pentane
• C) Butene
• D) Pentene

Q7: 7. Which of the following is a saturated hydrocarbon?

• A) Ethylene
• B) Propyne
• C) Benzene
• D) Cyclohexane

Q8: 8. Which hydrocarbon is commonly used as a refrigerant?

• A) Methane
• B) Ethylene
• C) Propane
• D) Freon

Q9: 9. Which type of hydrocarbon is used as a starting material for making plastics?

• A) Alkane
• B) Alkene
• C) Alkyne
• D) Aromatic

Q10: 10. What is the name of the hydrocarbon with the formula C6H6?

• A) Methane
• B) Ethyne
• C) Benzene
• D) Toluene

Q11: 11. Which type of hydrocarbon is known for its ring structure?

• A) Alkane
• B) Alkene
• C) Alkyne
• D) Aromatic

Q12: 12. What is the IUPAC name for the hydrocarbon with the formula C2H4?

• A) Ethane
• B) Ethene
• C) Ethyne
• D) Ethyl

Q13: 13. Which hydrocarbon is commonly used as a fuel in lighters?

• A) Methane
• B) Ethylene
• C) Butane
• D) Propane

Q14: 14. Which type of hydrocarbon is known for its unsaturated bonds?

• A) Alkane
• B) Alkene
• C) Alkyne
• D) Aromatic

Q15: 15. What is the general formula for alkynes?

• A) CnH2n+2
• B) CnH2n
• C) CnH2n-2
• D) CnH2n-4

Q16: 16. Which of the following hydrocarbons is known for its sweet-smelling aroma?

• A) Methane
• B) Ethylene
• C) Benzene
• D) Toluene

Q17: 17. What is the IUPAC name for the hydrocarbon with the formula C5H12?

• A) Pentane
• B) Hexane
• C) Pentene
• D) Hexene

Q18: 18. Which hydrocarbon is commonly used as a solvent in dry cleaning?

• A) Methane
• B) Ethylene
• C) Toluene
• D) Trichloroethylene

Q19: 19. Which type of hydrocarbon is known for its high reactivity due to the presence of double bonds?

• A) Alkane
• B) Alkene
• C) Alkyne
• D) Aromatic

Q20: 20. What is the name of the hydrocarbon with the formula C7H16?

• A) Heptane
• B) Octane
• C) Heptene
• D) Octene

Q21: 21. Which of the following hydrocarbons is used as a propellant in aerosol sprays?

• A) Methane
• B) Propane
• C) Butane
• D) Pentane

Q22: 22. Which hydrocarbon is commonly used as a raw material in the production of synthetic fibers?

• A) Ethylene
• B) Propylene
• C) Butadiene
• D) Styrene

Q23: 23. Which type of hydrocarbon is known for its straight-chain structure?

• A) Alkane
• B) Alkene
• C) Alkyne
• D) Aromatic

Q24: 24. What is the IUPAC name for the hydrocarbon with the formula C8H18?

• A) Octane
• B) Nonane
• C) Octene
• D) Nonene

Q25: 25. Which hydrocarbon is commonly used as a building block for pharmaceuticals?

• A) Methane
• B) Ethylene
• C) Propylene
• D) Ethylbenzene