This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 23 (12 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bituminous A) Is a type of hard coal. B) Is dark brown or black, is also called soft coal. C) Is a renewable energy source. D) Is primarily used for nuclear energy. Show Answer Correct Answer: B) Is dark brown or black, is also called soft coal. 2. When ethene gas was passed through a hot potassium manganite (VII) solution, the product formed was A) HCOCH$_{3}$. B) CH$_{3}$CH$_{2}$OH. C) (CH$_{2}$OH)$_{2}$. D) CO$_{2 }$and H$_{2}$O. Show Answer Correct Answer: D) CO$_{2 }$and H$_{2}$O. 3. Hydrocarbons can only have a limited number of carbon atoms, true or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Combustion is a scientific term for ..... A) Burning. B) Dissolving. C) Rusting. D) None of the above. Show Answer Correct Answer: A) Burning. 5. What type of combustion produces a yellow flame? A) Incomplete. B) Complete. C) All the above. D) None of the above. Show Answer Correct Answer: A) Incomplete. 6. Which is NOT correct for types of reaction? A) C$_{6}$H$_{14}$ + Br$_{2}$ $\rightarrow$ C$_{6}$H$_{13}$Br + HBr (Addition). B) 2C$_{6}$H$_{14 }$ + 13O$_{2}$ $\rightarrow$ 12CO$_{2}$ + 14H$_{2}$O (Combustion). C) C$_{6}$H$_{12}$ + Br$_{2}$ $\rightarrow$ C$_{6}$H$_{12}$Br$_{2}$ (Addition). D) 3C$_{6}$H$_{12}$ + 2KMnO$_{4}$ $\rightarrow$ 3C$_{6}$H$_{14}$O$_{2}$ + 2MnO$_{2}$ + 2KOH (Oxidation). Show Answer Correct Answer: A) C$_{6}$H$_{14}$ + Br$_{2}$ $\rightarrow$ C$_{6}$H$_{13}$Br + HBr (Addition). 7. Which hydrocarbon is known for its aromatic properties? A) Benzene. B) Propylene. C) Hexane. D) Cyclohexane. Show Answer Correct Answer: A) Benzene. 8. What is meant by an unsaturated hydrocarbon? A) Contain at least one carbon to carbon double bond or a carbon to carbon triple bond. B) Contain only carbon to carbon double bonds. C) Contain only carbon to carbon single bonds. D) Contain at least two carbon to carbon double bond or a carbon to carbon triple bond. Show Answer Correct Answer: A) Contain at least one carbon to carbon double bond or a carbon to carbon triple bond. 9. When a hydrocarbon burns in a plentiful supply of oxygen what are the products? A) Carbon dioxide only. B) Water only. C) Carbon dioxide and water. D) Carbon only. Show Answer Correct Answer: C) Carbon dioxide and water. 10. The products of the combustion reaction are bubbled through limewater. Which gas is limewater used to test for? A) Oxygen. B) Hydrogen. C) Carbon dioxide. D) Chlorine. Show Answer Correct Answer: C) Carbon dioxide. 11. The second name of aromatic hydrocarbons: A) Alkanes. B) Alkenes. C) Arenes. D) Alkynes. Show Answer Correct Answer: C) Arenes. 12. In the combustion equation for a hydrocarbon with three carbon atoms, how many CO2 molecules are needed to balance carbon atoms? A) Two. B) Three. C) Four. D) Five. Show Answer Correct Answer: B) Three. ← PreviousRelated 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books