This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 32 (23 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Isomer functional groups are compounds that have different functional groups, but the same molecular formula, such as: A) Alcohol and Ether. B) Alcohol and Ketone. C) Ether and Ketone. D) Ether and Esther. Show Answer Correct Answer: A) Alcohol and Ether. 2. Chiral carbons will produce ..... A) Structural isomers. B) Optical isomers. C) Polymers. D) Monomers. Show Answer Correct Answer: B) Optical isomers. 3. For carbonate ions, how many resonance structures can be drawn? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 4. This states that organic compounds could only be created by living organisms A) Organic Chemistry Theory. B) Vital Compounds Theory. C) Vital Force Theory. D) VSEPR Theory. Show Answer Correct Answer: C) Vital Force Theory. 5. What are the required reagents / conditions for the reaction below?C$_{2}$H$_{6}$ $\rightarrow$ CH$_{3}$CH$_{2}$Br A) HBr. B) KBr / ethanol / warm. C) Br$_{2}$ / UV light. D) Br$_{2}$. Show Answer Correct Answer: C) Br$_{2}$ / UV light. 6. What are the required reagents / conditions for the reaction below?CH$_{3}$COOCH$_{2}$CH$_{3}$ $\rightarrow$ CH$_{3}$COOH A) H$_{2}$O. B) Aqueous NaOH / warm (or aqueous H$_{2}$SO$_{4}$ / warm). C) Concentrated KOH / ether / high temperature. D) Concentrated H$_{2}$SO$_{4}$ / high temperature. Show Answer Correct Answer: B) Aqueous NaOH / warm (or aqueous H$_{2}$SO$_{4}$ / warm). 7. Saturated hydrocarbons A) Alkynes. B) Alkenes. C) Alcohols. D) Alkanes. E) Alkadienes. Show Answer Correct Answer: D) Alkanes. 8. In the combustion reaction when the amount of oxygen is limited ..... gas is produced A) Carbon monoxide. B) Carbon dioxide. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: A) Carbon monoxide. 9. Is pentane a saturated or unsaturated hydrocarbon? A) Saturated. B) Unsaturated. C) All the above. D) None of the above. Show Answer Correct Answer: A) Saturated. 10. Grignard reagent on reaction with HCHO give A) 1$^{0}$alcohol. B) 2$^{0}$alcohol. C) Acid. D) 3$^{0}$alcohol. Show Answer Correct Answer: A) 1$^{0}$alcohol. 11. A resonance hybrid represents the pi bond of an allylic carbocation as being delocalized over all three carbon atoms A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. When a carbon atom has a positive charge A) Carbocation. B) Carbanion. C) All the above. D) None of the above. Show Answer Correct Answer: A) Carbocation. 13. Which can be both an empirical and molecular formula of a stable compound? A) CH$_{2}$O. B) P$_{4}$O$_{10}$. C) NH$_{2}$. D) CH$_{3}$. Show Answer Correct Answer: A) CH$_{2}$O. 14. Choose the correct option that represent the following structureO||C-C-C-C-C-C-C A) Is a mistake. B) 4 heptanona. C) Heptanona. D) 4 heptona. Show Answer Correct Answer: B) 4 heptanona. 15. Stability or iso-butylene can be best explained by A) Mesomeric effect. B) Steric effect. C) Inductive effect. D) Hyperconjugative effect. Show Answer Correct Answer: D) Hyperconjugative effect. 16. In acids and bases theory, a substance that donates proton (H+) is known as? A) Bronsted-Lowry acid. B) Bronsted-Lowry base. C) Lewis acid. D) Lewis base. Show Answer Correct Answer: A) Bronsted-Lowry acid. 17. Which of the following is the strongest type of intermolecular bond? A) London dispersion forces. B) Dipole-dipole interactions. C) Hydrogen bonding. D) Ion-induced dipole interactions. Show Answer Correct Answer: C) Hydrogen bonding. 18. "Compound that have the same chemical formula but different chemical structure" is called? A) Isomers. B) Isotopes. C) Tautomer. D) Allotropes. Show Answer Correct Answer: A) Isomers. 19. Water is known as a universal biological solvent because ..... A) It is non-polar and cannot dissolve ions. B) It is cohesive and can form droplets. C) It is polar and can dissolve both negative and positive ions. D) It dissolves every substance on Earth. Show Answer Correct Answer: C) It is polar and can dissolve both negative and positive ions. 20. Which are the properties of Organic compounds? I. Containing elements:C, H, O, N, P, S, X II. Insoluble in water III. Burn easily IV. Conduct electricity V. Low melting and boiling points VI. are easily volatile A) I, II, III, IV. B) I, II, III, IV, V, VI. C) I, II, III, V, VI. D) I, III, IV, V, VI. Show Answer Correct Answer: C) I, II, III, V, VI. 21. Nucleophile is a species that should have A) Positive charge. B) A pair of electrons to donate. C) Electron deficient species. D) None of the above. Show Answer Correct Answer: B) A pair of electrons to donate. 22. Suffix used in alkane A) -ane. B) -ene. C) -yne. D) -ol. Show Answer Correct Answer: A) -ane. 23. Few pairs of molecules are given below, which pair has more polar molecules? A) H$_{3}$C-H, H$_{3}$C-Br. B) H$_{3}$C-OH, H$_{3}$C-SH. C) H$_{3}$C-NH$_{2}$, H$_{3}$C-OH. D) H$_{3}$C-Cl, H$_{3}$C-Br. Show Answer Correct Answer: C) H$_{3}$C-NH$_{2}$, H$_{3}$C-OH. ← PreviousRelated 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