This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the products of complete combustion? A) SO2 + H2O. B) H2O. C) CO. D) CO + H2O. E) CO2 + H2O. Show Answer Correct Answer: E) CO2 + H2O. 2. ..... is the alkene with 4 carbons in its chain. A) Tetrene. B) Propene. C) Quadrene. D) Butene. Show Answer Correct Answer: D) Butene. 3. Is the last step in naming alkenes and alkyne. A) Writing the name of the main chain. B) Writing the location of the double/triple bond and the name of the main chain. C) Writing the location of the branches and the name of the main chain. D) None of the above. Show Answer Correct Answer: B) Writing the location of the double/triple bond and the name of the main chain. 4. What is the name of the simplest alkane? A) Methane. B) Ethane. C) Propane. D) Butane. Show Answer Correct Answer: A) Methane. 5. Fossil Fuels formed over long periods of time after particles in water settled to the sea floor and formed marine mud. What kinds of particles needed to be present in the marine mud in order for fossil fuels to form. A) Mostly sand and a few small bits of wood. B) Mostly decaying organisms. C) Mostly lava and a few sedimentary rocks. D) Mostly metal minerals. Show Answer Correct Answer: B) Mostly decaying organisms. 6. The general formula for alcohols is R-OH. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. What is a major application of ethyne? A) Production of fertilizers. B) Manufacturing of plastics. C) Fuel for welding torches. D) Extraction of natural gas. Show Answer Correct Answer: C) Fuel for welding torches. 8. When they burn, aromatic hydrocarbons give off a ..... sooty flame. A) Red. B) Orange. C) Yellow. D) Green. Show Answer Correct Answer: C) Yellow. 9. ALKANE, ALKENE or ALKYNE?Propyne A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: C) Alkyne. 10. Nonane has how many hydrogen atoms? A) 9. B) 18. C) 20. D) 22. Show Answer Correct Answer: C) 20. 11. Is the alkene with 3 carbons in its chain. A) Ethene. B) Propene. C) Methene. D) Decene. Show Answer Correct Answer: B) Propene. 12. Which type of hydrocarbon contains at least one triple bond? A) Aromatics. B) Alkynes. C) Alkanes. D) Alkenes. Show Answer Correct Answer: B) Alkynes. 13. Which of the following undergoes addition reactions A) Alkanes. B) Alkanes and alkenes. C) Alkanes and alkynes. D) Alkenes. Show Answer Correct Answer: D) Alkenes. 14. If an alkene reacts with a halogen, it is known as what type of reaction? A) Addition. B) Combustion. C) Polymerisation. D) Hydrogenation. Show Answer Correct Answer: A) Addition. 15. Organic or Inorganic:Potassium bicarbonate $K_2CO_3$ A) Organic. B) Inorganic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Inorganic. 16. Bond length of (I) ethane, (II) ethene, (III) acetylene and (IV) benzene follows the order: A) I > II > III > IV. B) I > II > IV> III. C) I > IV > II > III. D) III > IV > II > I. Show Answer Correct Answer: C) I > IV > II > III. 17. An alkyne having 4 carbons will have ..... no. of Hydrogen atoms. A) 8. B) 5. C) 6. D) 10. Show Answer Correct Answer: C) 6. 18. The product(s) of complete combustion of any hydrocarbon is/are ..... A) Water. B) Water and carbon monoxide. C) Carbon dioxide. D) Carbon monoxide. Show Answer Correct Answer: B) Water and carbon monoxide. 19. Which of the halogen reacts fastest during halogenation of alkane A) Cl$_{2}$. B) F$_{2}$. C) Br$_{2}$. D) L$_{2}$. Show Answer Correct Answer: B) F$_{2}$. 20. Which hydrocarbons is a liquid at room conditions? A) C$_{2}$H$_{6}$. B) C$_{4}$H$_{10}$. C) C$_{16}$H$_{34}$. D) C$_{18}$H$_{28}$. Show Answer Correct Answer: C) C$_{16}$H$_{34}$. 21. It is the formula where the symbols of atoms are listed in order as they appear in the molecule's structure with bond dashes omitted or limited? A) Chemical Formula. B) Condensed Formula. C) Molecular Formula. D) Structural Formula. Show Answer Correct Answer: B) Condensed Formula. 22. Which of the following is NOT aromatic hydrocarbon? A) Toluene. B) Naphthalene. C) Benzene. D) Decene. Show Answer Correct Answer: D) Decene. 23. What product is formed when you react hydrogen with pent-3-ene? A) Cyclopentane. B) Hex-3-ene. C) Pent-1-ene. D) Pentane. Show Answer Correct Answer: D) Pentane. 24. Compounds containing one or more benzene rings are called: A) Alkanes. B) Alicyclic compounds. C) Aliphatic compounds. D) Aromatic compounds. Show Answer Correct Answer: D) Aromatic compounds. 25. Alkanes have various uses related to their molecule size and state. Which of the following is an incorrect statement? A) Longer chain molecules are used as lubricants and fuel oils. B) Ethene is used as a feedstock for polymers and other industrially produced chemicals. C) Hexane is the main component of petrol. D) Methane is the main component of natural gas. Show Answer Correct Answer: C) Hexane is the main component of petrol. ← 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 5Class 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books