This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the followings is not an application of alkanes? A) Used as fuel. B) Used as oxidizer. C) Used as solvent. D) Used as refrigrent. Show Answer Correct Answer: B) Used as oxidizer. 2. ALKANE, ALKENE or ALKYNE?Methane A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: A) Alkane. 3. Which of the following would have the highest boiling point? A) C$_{3}$H$_{8}$. B) C$_{4}$H$_{8}$. C) C$_{5}$H$_{12}$. D) C$_{22}$H$_{44}$. Show Answer Correct Answer: D) C$_{22}$H$_{44}$. 4. What is the bond angle in the eclipsed conformation of C2H6? A) 120. B) 60. C) 0. D) 90. Show Answer Correct Answer: B) 60. 5. Butane contains the following number of carbons: A) 3. B) 4. C) 9. D) 7. Show Answer Correct Answer: B) 4. 6. Which of the following is a property of hydrocarbons? A) Hydrocarbons contain only oxygen and nitrogen. B) Hydrocarbons are generally nonpolar and hydrophobic. C) Hydrocarbons are soluble in water. D) Hydrocarbons are always polar and hydrophilic. Show Answer Correct Answer: B) Hydrocarbons are generally nonpolar and hydrophobic. 7. Which substance has the weakest intermolecular forces? A) Substance A, boiling point of 75 $^\circ$C. B) Substance B, boiling point of 105 $^\circ$C. C) Substance C, boiling point of 25 $^\circ$C. D) Substance d, boiling point of 45 $^\circ$C. Show Answer Correct Answer: C) Substance C, boiling point of 25 $^\circ$C. 8. What is the IUPAC name for a compound with the formula C4H10? A) Isobutane. B) Propane. C) Pentane. D) Butane. Show Answer Correct Answer: D) Butane. 9. Who first discovered benzene? A) Mendeleev. B) Faraday. C) Edison. D) Einstein. Show Answer Correct Answer: B) Faraday. 10. How many moles of water can be produced when 1 mol of heptane is burnt in air? A) 5. B) 6. C) 7. D) 8. Show Answer Correct Answer: D) 8. 11. Name the first three alkanes and their IUPAC names. A) Hexane (C6). B) Methane (C1), Ethane (C2), Propane (C3). C) Pentane (C5). D) Butane (C4). Show Answer Correct Answer: B) Methane (C1), Ethane (C2), Propane (C3). 12. Electrophilic Addition involves ..... A) The addition of a nucleophile to an alkane. B) The addition of a electrophile to an alkane. C) The addition of a electrophile to an alkene. D) The subtraction of a nucleophile to an alkene. Show Answer Correct Answer: C) The addition of a electrophile to an alkene. 13. ALKENES ARE KNOWN AS ..... A) SATURATED. B) UNSATURATED. C) All the above. D) None of the above. Show Answer Correct Answer: B) UNSATURATED. 14. ALKANE, ALKENE or ALKYNE?Octene A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: B) Alkene. 15. Which is the "Wonder Element" ? A) Butanol. B) Carbon. C) Boron. D) Hydrogen. Show Answer Correct Answer: B) Carbon. 16. Product when sodium butanoate undergoes kolbe electrolysis A) Hexane. B) Octane. C) Butane. D) Propane. Show Answer Correct Answer: A) Hexane. 17. What is the name for organic molecules that contain a hydroxyl group? A) Hydrols. B) Alcohols. C) Groupols. D) Carbols. Show Answer Correct Answer: B) Alcohols. 18. Halogenation of alkane proceed via which type of mechanism? A) Carbocation formation. B) Carbanion formation. C) Free radical formation. D) Transition state. Show Answer Correct Answer: C) Free radical formation. 19. Which is a saturated hydrocarbon? A) C$_{5}$H$_{12}$. B) C$_{5}$H$_{10}$. C) C$_{5}$H$_{8}$. D) None of the above. Show Answer Correct Answer: A) C$_{5}$H$_{12}$. 20. Why do straight-chain alkanes have higher boiling points than branched alkanes? A) More Carbon atoms. B) Stronger covalent bonds. C) Greater surface area for stronger London dispersion forces. D) Greater polarity. Show Answer Correct Answer: C) Greater surface area for stronger London dispersion forces. 21. If a hydrocarbon has a double bond, what would the suffix be? A) "-yne". B) "-ane". C) "-ene". D) "-benzene". Show Answer Correct Answer: C) "-ene". 22. What is wrong with the name 1 methyl 3 cyclo-hexene A) Prefixes. B) Numbering. C) Commas. D) Dashes. Show Answer Correct Answer: D) Dashes. 23. C$_{4}$H$_{10 }$is an example of a ..... A) Molecular formula. B) Full structural formula. C) Shortened structural formula. D) Ball-and-stick model. Show Answer Correct Answer: A) Molecular formula. 24. What is the molecular formula of a methyl functional group? A) CH2. B) CH3. C) C2H5. D) CH5. Show Answer Correct Answer: B) CH3. 25. Which of the following is NOT a use for an alcohol? A) Solvent. B) Fuels. C) Alcoholic drinks. D) Flavourings. Show Answer Correct Answer: D) Flavourings. ← 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