This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The difference between each member in a homologous series is ..... A) CH. B) CH2. C) CH3. D) C2H2. Show Answer Correct Answer: B) CH2. 2. In hydrocarbon nomenclature, a number next to a number should be separated with a: A) Blank space. B) Comma. C) Hyphen. D) None of the above. Show Answer Correct Answer: B) Comma. 3. As the number of carbons increases in an alkane the melting point generally ..... A) Increases. B) Decreases. C) Stay the same. D) Varies. Show Answer Correct Answer: A) Increases. 4. How many carbon atoms are present in butene? A) 10. B) 8. C) 4. D) 6. Show Answer Correct Answer: C) 4. 5. Physical state of benzene: A) Plasma. B) Solid. C) Gaseous. D) Liquid. Show Answer Correct Answer: D) Liquid. 6. What type of hydrocarbon has a triple bond? A) Alkyne. B) Alkane. C) Alkene. D) Aromatic. Show Answer Correct Answer: A) Alkyne. 7. Choose the correct statement for fused bicyclic. A) Fused rings share three adjacent carbon atoms but do not share the bond between them. B) Fused rings share three adjacent carbon atoms and the bond between them. C) Fused rings share two adjacent carbon atoms and the bond between them. D) None of the above. Show Answer Correct Answer: C) Fused rings share two adjacent carbon atoms and the bond between them. 8. What do you call a bond where one atom donates an electron to another atom? A) Iconic. B) Covalent. C) Electrostatic. D) Ionic. Show Answer Correct Answer: D) Ionic. 9. How many double bonds in the benzene molecule? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 10. Identify an isomer of but-2-ene A) Cyclopropane. B) But-3-ene. C) Butane. D) But-1-ene. Show Answer Correct Answer: D) But-1-ene. 11. A compound that contains only carbon and hydrogen and that produces carbon dioxide and water when burned is called a(n) A) Binary compound. B) Carbonate. C) Ionic compound. D) Hydrocarbon. Show Answer Correct Answer: D) Hydrocarbon. 12. What is the name of the single bond compounds that formed saturated hydrocarbons? A) Alkanes. B) Alkenes. C) Alkynes. D) Alkones. Show Answer Correct Answer: A) Alkanes. 13. How many carbons are in the backbone (longest chain) of this organic compound:2, 2-dimethylhexane A) 1. B) 2. C) 6. D) 7. Show Answer Correct Answer: C) 6. 14. Which of the following alkene reaction follows Markovnokv's rule? A) CH$_{2}$ = CH$_{2}$ + H$_{2}$ $\rightarrow$ CH$_{3}$-CH$_{3}$. B) CH$_{2}$ = CH$_{2}$ + Br$_{2}$ $\rightarrow$ Br-CH$_{2}$-CH$_{2}$-Br. C) CH$_{2}$ = CH$_{}$-CH$_{3}$+ H$_{}$Cl $\rightarrow$ CH$_{3}$-CH$_{}$Cl-CH$_{3}$. D) CH$_{2}$ = CH$_{2}$ + H$_{2}$O $\rightarrow$ OH-CH$_{2}$-CH$_{3}$. Show Answer Correct Answer: C) CH$_{2}$ = CH$_{}$-CH$_{3}$+ H$_{}$Cl $\rightarrow$ CH$_{3}$-CH$_{}$Cl-CH$_{3}$. 15. Hydrocarbons, the simplest family of carbon compounds, are made from these two elements: A) Hydrogen and Copper. B) Helium and Carbon. C) Hydrogen and Carbon. D) None of the above. Show Answer Correct Answer: C) Hydrogen and Carbon. 16. How many Hydrogen atoms are needed in an alkyne that has 2 carbon atoms? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 2. 17. Which structural formula has the highest of the boiling point? A) CH$_{3}$CH$_{3}$. B) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{3}$. C) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{2}$CH$_{3}$. D) CH$_{3}$CH$_{2}$CH$_{3}$. Show Answer Correct Answer: C) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{2}$CH$_{3}$. 18. An alkane with only 2 carbon atom is A) Methane. B) Ethane. C) Propane. D) None of the above. Show Answer Correct Answer: B) Ethane. 19. What is the name of the hydrocarbon with the molecular formula C4H10? A) Butane. B) Methane. C) Ethanol. D) Propane. Show Answer Correct Answer: A) Butane. 20. Which of the following is true about structural isomers? A) Have the same molecular formula. B) Have different physical and chemical properties. C) Have the same number of elements. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Which of the following is a combustion reaction? A) 2H$_{2}$O $\rightarrow$ 2H$_{2}$ + O$_{2}$. B) 2AgNO$_{3}$ + H$_{2}$S $\rightarrow$ Ag$_{2}$S + 2NHO$_{3}$. C) 2Al + N$_{2}$ $\rightarrow$ 2AlN$_{4}$. D) 4Fe + 3O$_{2}$ $\rightarrow$ 2Fe$_{2}$O$_{3}$. Show Answer Correct Answer: D) 4Fe + 3O$_{2}$ $\rightarrow$ 2Fe$_{2}$O$_{3}$. 22. ALKANE, ALKENE or ALKYNE?Butene A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: B) Alkene. 23. Which type of hydrocarbon contains only single bonds between carbon atoms? A) Alkanes. B) Alkenes. C) Alkynes. D) Aromatic hydrocarbons. Show Answer Correct Answer: A) Alkanes. 24. Which of the following is a characteristic of alkynes? A) They are generally highly reactive. B) They have a triple bond between carbon atoms. C) They are saturated hydrocarbons. D) They do not undergo addition reactions. Show Answer Correct Answer: B) They have a triple bond between carbon atoms. 25. What is the other name or historic name of alkanes? A) Olefins. B) Parafines. C) Saccarines. D) Carbonates. Show Answer Correct Answer: B) Parafines. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books