This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which of the reaction, the enolate ion is not formed: A) Crossed Aldol condensation. B) Cannizzaro Reaction. C) Perkin reaction. D) Claisen Condensation. Show Answer Correct Answer: B) Cannizzaro Reaction. 2. Structural formula not only show the actual number of atom but it shows how they are bonded. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. Is the following compound a hydrocarbon?NaOHGive your answer as yes or no only. A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: B) NO. 4. This unique ability of carbon is defined as the ability of atoms to form stable bonds. A) Polar Bonding. B) Carbonation. C) Covalent Bonding. D) Catenation. Show Answer Correct Answer: D) Catenation. 5. Main product from the following reaction is ..... CH3-C(CH3) = CH-CH3 + HBr $\rightarrow$ A) CH3-CH(CH3)-CHBr-CH3. B) CH3-CBr(CH3)-CH2-CH3. C) CH2Br-CH(CH3)-CH2-CH3. D) CH3-CH(CH3)-CH2-CH2Br. Show Answer Correct Answer: B) CH3-CBr(CH3)-CH2-CH3. 6. The valency of carbon is A) 5. B) 6. C) 3. D) 4. Show Answer Correct Answer: D) 4. 7. Upon combustion, a hydrocarbon produces 29, 10g CO$_{2}$ and 11, 58g H$_{2}$O. What is the empirical formula of hydrocarbon? (C:12g/mol, H:1g/mol) A) CH$_{4}$. B) CH$_{3}$. C) CH$_{2}$. D) CH. Show Answer Correct Answer: C) CH$_{2}$. 8. What contains triglycerides? A) Fats, oils and waxes. B) Sugar. C) Nucleotides. D) Nitrogenous base. Show Answer Correct Answer: A) Fats, oils and waxes. 9. Which statement describes the two isomers of butane? A) They have the same molecular formula but different structural formulas. B) They have the same molecular formula and the same structural formula. C) They have different molecular formulas and different structural formulas. D) They have different molecular formulas but the same structural formula. Show Answer Correct Answer: A) They have the same molecular formula but different structural formulas. 10. This theory describes a covalent bond between two atoms in terms of in-phase overlap of a half-filled orbital of one atom with a half-filled orbital of another atom. A) Hybridization. B) VSEPR Theory. C) Orbital Overlapping. D) Valence Bond Theory. Show Answer Correct Answer: D) Valence Bond Theory. 11. Reagent used to convert 2-chloropropane to Propene A) Alc KOH. B) Conc KOH. C) Ammonia. D) HCl. Show Answer Correct Answer: A) Alc KOH. 12. If an alkane has 19 carbon atoms, how many hydrogen atoms will it have? A) 19. B) 21. C) 38. D) 40. Show Answer Correct Answer: D) 40. 13. The functional group present in the ketone A) R-CO-R. B) -COOH. C) -OH. D) -CO-NH$_{2}$. Show Answer Correct Answer: A) R-CO-R. 14. An organic compound undergoes addition reactions and gives a red colour precipitate with ammoniacal cuprous chloride. Therefore, the organic compound could be: A) Ethane. B) Ethene. C) Ethyne. D) Ethanol. Show Answer Correct Answer: C) Ethyne. 15. The group made up of alcohols and acids A) Esters. B) Carbocilic acids. C) Ethers. D) Alkynes. Show Answer Correct Answer: A) Esters. 16. Which one of the following characteristics is not correct for all of the members of the same homologous series? A) Same general formula. B) Similar chemical properties, i.e. undergo the same reactions. C) Varying physical properties, i.e. change in a predictable way. D) Different functional group. Show Answer Correct Answer: D) Different functional group. 17. When two monosaccharides are joined in a synthesis reaction, it forms a: A) Polysaccharide. B) Disaccharide. C) Water molecule. D) Fatty acid. Show Answer Correct Answer: B) Disaccharide. 18. Of an organic compound containing sulphur produces 1.02g of BaSO$_{4}$. The percentage of sulphur in the compound is A) 10%. B) 8.98%. C) 6.42%. D) 7.26%. Show Answer Correct Answer: C) 6.42%. 19. This type of bond allows free rotation of the parts of the molecule with respect to each other A) Sigma bond. B) Pi bond. C) Covalent bond. D) Electron bond. Show Answer Correct Answer: A) Sigma bond. 20. Carbon has an atomic number of ..... , with ..... , valence electrons. A) 16; 4. B) 4; 2. C) 6; 4. D) 12; 2. Show Answer Correct Answer: C) 6; 4. 21. All organic compounds must have this element: A) Carbon. B) Oxygen. C) Potassium. D) Hydrogen. Show Answer Correct Answer: A) Carbon. 22. Structural isomers are compounds that have A) The same molecular formula but different structures. B) The same molecular formula and the same structure. C) Different molecular formulas and different structures. D) Different molecular formulas but the same structure. Show Answer Correct Answer: A) The same molecular formula but different structures. 23. Both diamond and carbon dioxide (CO$_{2}$) contains C atom(s). Can they be considered as organic? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 24. Turns MnO$_{4}$$^{-}$ from purple to brown A) Alkane. B) Alcohol. C) Amine. D) Alkene. Show Answer Correct Answer: D) Alkene. 25. What functional group is present in an ester? A) Ester functional group. B) Ketone functional group. C) Carboxylic acid functional group. D) Alcohol functional group. Show Answer Correct Answer: A) Ester functional group. ← 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