This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Isopropyl magnesium bromide reacts with propyne to form A) Hexane. B) Propane. C) 2-Methylpropane. D) Hex-3-yne. Show Answer Correct Answer: B) Propane. 2. Which are features of successive members of a homologous series?I. Similar chemical propertiesII. Same general formulaIII. Differ by-CH$_{2}$- A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 3. Identify the class of organic compounds to which CH$_{3}$COOCH$_{2}$CH$_{3}$ belongs. A) Organic Acid. B) Ether. C) Ester. D) Alcohol. Show Answer Correct Answer: C) Ester. 4. The compound CHO is ..... A) Inorganic. B) Organic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Organic. 5. ..... gives you long term energy, but eating too much will deposit it around the body ): A) Fats. B) Complex Carbs. C) Simple Carbs. D) Proteins. Show Answer Correct Answer: A) Fats. 6. The number of structural and configurational isomers of a bromo compound, C$_{5}$H$_{9}$Br, formed by the addition of HBr to 2-pentyne respectively are, A) 2 and 4. B) 2 and 1. C) 4 and 2. D) 1 and 2. Show Answer Correct Answer: A) 2 and 4. 7. Which of the following molecules exhibit geometrical isomerism? A) CH$_{2}$=CHCH$_{3}$. B) C$_{6}$H$_{5}$CH=CHC$_{6}$H$_{5}$. C) (CH$_{3}$)$_{2}$C=CHCH$_{3}$. D) CH$_{3}$CH$_{2}$N=OH. Show Answer Correct Answer: B) C$_{6}$H$_{5}$CH=CHC$_{6}$H$_{5}$. 8. When writing names for organic compounds, commas separate ..... A) Numbers. B) Names from numbers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Numbers. 9. The order of decreasing stability or the following carbanions isi) (CH$_{3}$)$_{3}$C$^{-}$ii) (CH$_{3}$)$_{2}$CH$^{-}$iii) CH$_{3}$CH$^{-}$$_{2}$iv) C$_{6}$H$_{5}$CH$^{-}$$_{2}$ A) (iv)>(i)>(ii)>(iii). B) (i)>(ii)>(iii)>(iv). C) (iv)>(iii)>(ii)>(i). D) (iii)>(ii)>(i)>(iv). Show Answer Correct Answer: C) (iv)>(iii)>(ii)>(i). 10. Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called? (In specific) A) Structural Isomerism. B) Stereo Isomerism. C) Geometrical Isomerism. D) Optical Isomerism. Show Answer Correct Answer: C) Geometrical Isomerism. 11. What is a reaction mechanism? A) The full balanced equation for a reaction. B) What a reaction looks like. C) The steps through which a reaction happens. D) The reaction conditions. Show Answer Correct Answer: C) The steps through which a reaction happens. 12. The functional group present in the carboxylic acid ..... A) -CO-. B) -COOH. C) -OH. D) -CO-NH$_{2}$. Show Answer Correct Answer: B) -COOH. 13. The number of structural isomers of molecular formula C$_{4}$H$_{9}$Br is A) 5. B) 4. C) 3. D) 2. Show Answer Correct Answer: B) 4. 14. It acts as the main source of energy? A) Carbohydrates. B) Protein. C) Lipids. D) Nucleic acid. Show Answer Correct Answer: A) Carbohydrates. 15. Unsaturated hydrocarbons are A) C4H8. B) C5H8. C) C6H14. D) Both C4H8 & C5H8. Show Answer Correct Answer: D) Both C4H8 & C5H8. 16. Number of moles of solute present in 1 kg of solvent is ..... A) Molarity. B) Molality. C) Normality. D) Mole fraction. Show Answer Correct Answer: B) Molality. 17. Can you have an double aldehyde in a carbon chain? A) Yes!!! you can have two or more aldehyde groups in a carbon chain. B) No, because if you have an double aldehyde the name change. C) No!! is imposible, you only can have an aldehyde. D) Yes, you can. Show Answer Correct Answer: D) Yes, you can. 18. In organic chemistry, the C element normally bonded with the following atoms, EXCEPT: A) Br. B) Na. C) O. D) H. Show Answer Correct Answer: B) Na. 19. In hydrocarbons, how does the rate of carbon and hydrogen increase? A) C:1 H:2. B) C:2 H:1. C) C:1 H:3. D) C.0 H:1. Show Answer Correct Answer: A) C:1 H:2. 20. Molecules with the same molecular structure but have different structural formulas are called ..... A) Polymers. B) Biomolecules. C) Constitutional polymers. D) Isomers. Show Answer Correct Answer: D) Isomers. 21. Which reaction is not a reversible reaction? A) Combustion of alkanes. B) Combustion of alkanes. C) Melting lead(II) bromide. D) Thermal decomposition of hydrated cobalt(II) chloride. Show Answer Correct Answer: A) Combustion of alkanes. 22. For surfacing roads A) Bitumen. B) Refinery gas. C) Petroleum. D) Diesel. Show Answer Correct Answer: A) Bitumen. 23. How many sigma and pi bonds are present in CH$_{2}$=C=CHCH$_{3}$ A) 6 sigma and 2 pi. B) 9 sigma and 2 pi. C) 7 sigma and 4 pi. D) None of the above. Show Answer Correct Answer: B) 9 sigma and 2 pi. 24. An organic compound contains 69% carbon and 4.8% hydrogen, the remainder being oxygen. What will be the masses of carbon dioxide and water produced when 0.20g of this substance is subjected to complete combustion? A) 0.506g and 0.086g. B) 0.345g and 0.024g. C) 0.69g and 0.048g. D) 0.91g and 0.72g. Show Answer Correct Answer: A) 0.506g and 0.086g. 25. Which of the following process can transform pentene to pentane? A) Oxidation. B) Reduction. C) Fermentation. D) Hydrogenation. Show Answer Correct Answer: D) Hydrogenation. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 1Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 2Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 3Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 4Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 5Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 6Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 7Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 8Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 9Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books