This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Di bawah ini, manakah bensin yang PALING ramah lingkungan? A) Premium. B) Pertalite. C) Pertamax. D) Pertamax Plus. Show Answer Correct Answer: D) Pertamax Plus. 2. Among the following compounds the one that is most reactive towards electrophilic nitration is A) Toluene. B) Benzene. C) Benzoic acid. D) Nitrobenzene. Show Answer Correct Answer: A) Toluene. 3. ..... are hydrocarbons that contain double covalent bonds A) Alkanes. B) Alkynes. C) Alkenes. D) None of the above. Show Answer Correct Answer: C) Alkenes. 4. When the ring on a Bunsen burner is closed during a combustion reaction, soot forms. Soot is? A) Carbon dioxide. B) Carbon. C) Carbon monoxide. D) Burnt propane. Show Answer Correct Answer: B) Carbon. 5. What is the term for hydrocarbons that contain at least one carbon-carbon double or triple bond? A) Saturated hydrocarbons. B) Unsaturated hydrocarbons. C) Aromatic hydrocarbons. D) Aliphatic hydrocarbons. Show Answer Correct Answer: B) Unsaturated hydrocarbons. 6. Cyclobutane is an isomer of butene TRUE OR FALSE A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 7. In the ball and stick models we looked at in class, what atom did the black spheres represent? A) Oxygen. B) Carbon. C) Hydrogen. D) None of the above. Show Answer Correct Answer: B) Carbon. 8. What type of hydrocarbon contains a benzene ring? A) Alkane. B) Alkene. C) Alkyne. D) Aromatic. Show Answer Correct Answer: D) Aromatic. 9. How many carbon atoms are in butene? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 10. What is the difference between alkanes and alkenes? A) The presence of double bonds in alkenes. B) Alkenes are more reactive than alkanes. C) The presence of triple bonds in alkenes. D) Alkanes have a higher number of carbon atoms than alkenes. Show Answer Correct Answer: A) The presence of double bonds in alkenes. 11. Unsaturated hydrocarbons must contain at least one ..... or ..... bond. A) Single or double. B) Single or triple. C) Double or triple. D) Single or quadruple. Show Answer Correct Answer: C) Double or triple. 12. C4H6 A) Ethyne. B) Propyne. C) Butyne. D) Pentyne. Show Answer Correct Answer: C) Butyne. 13. In the initiation step of free radical substitution reaction, halogen molecules undergo heterolytic cleavage. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. WHICH OF THE FOLLOWING HYDROCARBONS WILL DECOLOURISE BROMINE SOLUTION? A) PROPANE. B) CYCLOPROPANE. C) PROPENE. D) None of the above. Show Answer Correct Answer: C) PROPENE. 15. What is the name of the simplest alkyne? A) Ethyne. B) Propyne. C) Butyne. D) Pentyne. Show Answer Correct Answer: A) Ethyne. 16. Hydrocarbons with only single covalent bonds are known as? A) Alkanes. B) Alkenes. C) Alkynes. D) None of the above. Show Answer Correct Answer: A) Alkanes. 17. What is the process of breaking down hydrocarbons called? A) Hydrolysis. B) Cracking. C) Polymerization. D) Fermentation. Show Answer Correct Answer: B) Cracking. 18. Which of the following is a free radical substitution reaction? A) Hydrolysis of alkanes. B) Halogenation of alkanes. C) Hydrogenation of alkanes. D) Combustion of alkanes. Show Answer Correct Answer: B) Halogenation of alkanes. 19. What is the significance of the longest carbon chain in naming hydrocarbons? A) The longest carbon chain defines the base name and structure of the hydrocarbon. B) The longest carbon chain is irrelevant in naming hydrocarbons. C) The longest carbon chain indicates the boiling point of the hydrocarbon. D) The longest carbon chain determines the molecular weight of the hydrocarbon. Show Answer Correct Answer: A) The longest carbon chain defines the base name and structure of the hydrocarbon. 20. What is the molecular formula of the functional group ethyl? A) C2H6. B) CH2CH3. C) CH5. D) CH3. Show Answer Correct Answer: B) CH2CH3. 21. ALKANE, ALKENE or ALKYNE?Octyne A) Alkane. B) Alkene. C) Alkyne. D) None of the above. Show Answer Correct Answer: C) Alkyne. 22. How does the presence of double bonds affect the naming of alkenes? A) Alkenes are named with the suffix '-ane'. B) Double bonds require the suffix '-ene' and the position of the double bond must be indicated. C) The position of the double bond is not important in naming. D) Double bonds are ignored in naming alkenes. Show Answer Correct Answer: B) Double bonds require the suffix '-ene' and the position of the double bond must be indicated. 23. Which group will have the highest boiling points and melting points for similarly sized molecules? A) Alkanes. B) Alkenes. C) Alcohols. D) Ethers. Show Answer Correct Answer: C) Alcohols. 24. Hydrogenation conditions are ..... A) Powdered nickel catalyst, heat, pressure of 5ATM. B) Powdered nickel catalyst, room temperature and pressure. C) Water as steam, high pressure, with a silica catalyst. D) Aqueous hydrogen bromide. Show Answer Correct Answer: A) Powdered nickel catalyst, heat, pressure of 5ATM. 25. Which branched chain isomer of the hydrocarbon with molecular mass 72 u gives only one isomer of mono substituted alkyl halide?(1) Neopentane(2) Isohexane(3) Neohexane(4) Tertiary butyl chloride A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 1Class 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 10Class 11 Chemistry (Part Ii) Chapter 13 Hydrocarbons Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books