This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or false, bubbling is a sign of a chemical reaction? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. ALKANE, ALKENE or ALKYNE?Nonane A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: A) Alkane. 3. Organic or Inorganic:Deoxyadenosine Monophosphate $C_{10}H_{14}N_5O_6P$ A) Organic. B) Inorganic. C) All the above. D) None of the above. Show Answer Correct Answer: A) Organic. 4. Which of the following is more volatile? A) Petrol. B) Diesel. C) Oil. D) My temper. Show Answer Correct Answer: A) Petrol. 5. When an alkyne burns, it produces 4 mol of water. What is the name of alkyne? A) Butyne. B) Propyne. C) Hexyne. D) Pentyne. Show Answer Correct Answer: D) Pentyne. 6. True or false-complete combustion produces carbon (soot) as a product A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Which of the following is a greenhouse gas produced during complete combustion? A) Carbon dioxide. B) Oxides of nitrogen. C) Sulfur dioxide. D) Carbon monoxide. Show Answer Correct Answer: A) Carbon dioxide. 8. Which of the following saturated hydrocarbon cannot able to give thermal cracking reaction? A) C$_{12}$H$_{26}$. B) $_{}$C$_{10}$H$_{22}$. C) C$_{8}$H$_{18}$. D) C$_{11}$H$_{24}$. Show Answer Correct Answer: C) C$_{8}$H$_{18}$. 9. Which polymers occur naturally? A) Starch and Nylon. B) Starch and Cellulose. C) Proteins and Nylon. D) Proteins and PVC. Show Answer Correct Answer: B) Starch and Cellulose. 10. What is the name of 11 carbons alkyne? A) Undecyne. B) Undecane. C) Undecene. D) None of the above. Show Answer Correct Answer: A) Undecyne. 11. Which is ethene? A) C2H2. B) C2H4. C) C2H6. D) C2H8. Show Answer Correct Answer: B) C2H4. 12. How many carbon atoms are in a molecule of pentyne? A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: C) 5. 13. As the number of carbons increases the volatility generally ..... A) Increase. B) Decrease. C) Stay the same. D) Varies. Show Answer Correct Answer: B) Decrease. 14. C$_{2}$H$_{4}$ A) Ethane. B) Ethene. C) Diene. D) Diane. Show Answer Correct Answer: B) Ethene. 15. Which of the following is a type of combustion that occurs when there is insufficient oxygen; it produces water vapour and carbon monoxide and/or carbon particulates? A) Incomplete combustion. B) Complete combustion. C) Burning. D) Oxidation. Show Answer Correct Answer: A) Incomplete combustion. 16. Which elements make up hydrocarbons? A) Hydrogen and carbon. B) Oxygen and nitrogen. C) Sulfur and phosphorus. D) Chlorine and sodium. E) None of the above. Show Answer Correct Answer: A) Hydrogen and carbon. 17. CH$_{3}$-CH$_{2}$-CH$_{2}$-CH$_{3}$ is ..... A) Aliphatic. B) Aromatic. C) Alicyclic. D) None of these. Show Answer Correct Answer: A) Aliphatic. 18. What is the color of benzene? A) Colorless. B) Yellow. C) Green. D) Brown. Show Answer Correct Answer: A) Colorless. 19. Nonane contains the following number of carbons: A) 3. B) 4. C) 9. D) 7. Show Answer Correct Answer: C) 9. 20. What is the significance of phosphate groups in biological molecules? A) Phosphate groups are involved in energy transfer and the structure of nucleic acids. B) Phosphate groups are only involved in the structure of carbohydrates. C) Phosphate groups are only found in non-biological molecules. D) Phosphate groups have no role in energy transfer or signal transduction. Show Answer Correct Answer: A) Phosphate groups are involved in energy transfer and the structure of nucleic acids. 21. CH$_{3}$-CH$_{2}$-CH$_{2}$-CH$_{3}$contains ..... Quaternary carbon atoms. A) 0. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 0. 22. Name this compound.CH$_{3}$-CH$_{2}$-CH$_{2}$-CH=CH-CH$_{3}$ A) Hexene. B) 4-hexene. C) Hexane. D) 2-hexene. E) Heptene. Show Answer Correct Answer: D) 2-hexene. 23. What do ends and bends represent in line structures? A) H atoms. B) C atoms. C) N atoms. D) S atoms. Show Answer Correct Answer: B) C atoms. 24. Methane A) CH4. B) C2H6. C) CO2. D) NH3. Show Answer Correct Answer: A) CH4. 25. What is the suffix for a hydrocarbon that contains a double bond? A) -ol. B) -ene. C) -ane. D) -one. Show Answer Correct Answer: B) -ene. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 1Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 2Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 3Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 4Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 6Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 7Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 8Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 9Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 10Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books