This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following compound(s) exhibit(s) cis-trans isomerism?(1) 1, 2-dibromo-1, 2-dichloroethene(2) 3, 3-dibromo-2-chloropropene(3) 1, 2-dichloropropene A) Only. B) Only. C) And (3) only. D) And (3) only. Show Answer Correct Answer: C) And (3) only. 2. Which of the following alkane has higher boiling point? A) Ethane. B) 2, 2-dimethylpropane. C) N-pentane. D) 2-methylbutane. Show Answer Correct Answer: C) N-pentane. 3. Which of the following is a functional group in organic chemistry? A) Phosphate group. B) Sulfate group. C) Nitrate group. D) Hydroxyl group. Show Answer Correct Answer: D) Hydroxyl group. 4. Hinsberg test is used to distinguish A) 1$^{o}$, 2$^{o}$ and 3$^{o}$ amines. B) 1$^{o}$, 2$^{o}$ and 3$^{o}$ amides. C) 1$^{o}$, 2$^{o}$ and 3$^{o}$ nitro compounds. D) 1$^{o}$, 2$^{o}$ and 3$^{o}$ aldehydes. Show Answer Correct Answer: A) 1$^{o}$, 2$^{o}$ and 3$^{o}$ amines. 5. Propanamine and Ethanoic acid gives A) Propylammonium ethanoate. B) Ammoniumpropanote. C) Ammonium ethanoate. D) Ethylammonium propanoate. Show Answer Correct Answer: A) Propylammonium ethanoate. 6. Chemistry is the foundation of A) Earth Science. B) Zoology. C) Biology. D) None of the above. Show Answer Correct Answer: C) Biology. 7. What happens to carbon and hydrogen during combustion reactions? A) They are cracked. B) They are oxidised. C) They are reduced. D) They are distilled. Show Answer Correct Answer: B) They are oxidised. 8. In a stereoisomer, ..... means "on the same side" and ..... means "across from." A) Trans; cis. B) Cis; trans. C) D; L. D) Cis; L. Show Answer Correct Answer: B) Cis; trans. 9. Which of the following CANNOT react as a nucleophile? A) (CH$_{3}$)$_{4}$N$^{+}$. B) CH$_{3}$NH$_{2 }$. C) (CH$_{3}$)$_{3}$N. D) (CH$_{3}$)$_{2 }$NH. Show Answer Correct Answer: A) (CH$_{3}$)$_{4}$N$^{+}$. 10. Organic compound with similar functional group has a similarity as the following except A) Physical properties. B) Number of atoms. C) Chemical properties. D) Type of reactions. Show Answer Correct Answer: B) Number of atoms. 11. A substituent of chain that has only one carbon is called A) Methyx. B) Methan. C) Methyl. D) None of the above. Show Answer Correct Answer: C) Methyl. 12. In skeletal structure, ..... atoms are not shown except when they are in functional group. A) Carbon and oxygen. B) Carbon and hydrogen. C) Carbon and bromine. D) Carbon and chlorine. Show Answer Correct Answer: B) Carbon and hydrogen. 13. Which of the following is a characteristic feature of a free radical? A) It has an unpaired electron. B) It has a negative charge. C) It has a positive charge. D) It has all paired electrons. Show Answer Correct Answer: A) It has an unpaired electron. 14. Which condensed structural formula represents an unsaturated compound? A) CH$_{3}$CHCHCH$_{3}$. B) CH$_{3}$CH$_{3}$. C) CH$_{4}$. D) CH$_{3}$CH$_{2}$CH$_{3}$. Show Answer Correct Answer: A) CH$_{3}$CHCHCH$_{3}$. 15. The reagent used for substitution at allylic position A) NaBH$_{4}$. B) LiAlH$_{4}$. C) NBS. D) SeO$_{2}$. Show Answer Correct Answer: C) NBS. 16. +1 charge, resides in the nucleus A) Proton. B) Neutron. C) Neutrino. D) Electron. Show Answer Correct Answer: A) Proton. 17. How many different alkenes are formed when 2-bromo-3-methylbutane reacts with ethanolic potassium hydroxide? A) 4. B) 5. C) 2. D) 3. Show Answer Correct Answer: C) 2. 18. The theory of the chemical structure of organic compounds was created: A) M.V. Lomonosov. B) D.I. Mendeleev. C) A.M. Butlerov. D) J. Berzelius. Show Answer Correct Answer: C) A.M. Butlerov. 19. The four organic molecules that are necessary for life are A) Oxygen, lipids, proteins and Carbohydrates. B) Carbohydrates, proteins, lipids and nucleic acids. C) Carbohydrates, minerals, proteins and liipids. D) None of the above. Show Answer Correct Answer: B) Carbohydrates, proteins, lipids and nucleic acids. 20. What is the suffix used if the hydrocarbon has triple bond? A) -oic. B) -ane. C) -ene. D) -yne. Show Answer Correct Answer: D) -yne. 21. How many carbon atoms and hydrogen atoms are there in propane? A) 2 carbon atoms, 6 hydrogen atoms. B) 3 carbon atoms, 8 hydrogen atoms. C) 3 carbon atoms, 6 hydrogen atoms. D) 4 carbon atoms, 8 hydrogen atoms. Show Answer Correct Answer: B) 3 carbon atoms, 8 hydrogen atoms. 22. ..... are best for short-term energy. Eat some before you take a test! A) Complex carbs. B) Fats. C) Simple carbs. D) Proteins. Show Answer Correct Answer: C) Simple carbs. 23. Which of the following compounds exhibits stereoisomerism? A) Butanal. B) Propanoic acid. C) 3, 4-dichloropent-1-ene. D) 1-bromohexane. Show Answer Correct Answer: C) 3, 4-dichloropent-1-ene. 24. Which of the following is the most saturated hydrocarbon? A) Arenes. B) Alkanes. C) Alkenes. D) Alkynes. Show Answer Correct Answer: B) Alkanes. 25. Which among the following is a saturated compound? A) Butyne. B) Propene. C) Propane. D) Pentenol. Show Answer Correct Answer: C) Propane. 26. Lipids have base units made up of: A) A glycerol and a fatty acid. B) A water and a glycerol. C) A carboxyl and amino group. D) A carbon ring. Show Answer Correct Answer: A) A glycerol and a fatty acid. 27. The organic compound having a double carbon-carbon bond is: A) $\mathrm{C_4H_{10}}$. B) $\mathrm{C_3H_4}$. C) $\mathrm{C_3H_8}$. D) $\mathrm{C_5H_{10}}$. Show Answer Correct Answer: D) $\mathrm{C_5H_{10}}$. 28. $_{}$Inductive effect of which atom is taken as zero to compare inductive effect of other atoms? A) Oxygen. B) Chlorine. C) Carbon. D) Hydrogen. Show Answer Correct Answer: D) Hydrogen. 29. ..... isomers occur when the types, number and bonds (connectivity) of the atoms are the same, but have a restricted rotation somewhere in a molecule. The common example is the double bond. A) Position. B) Optical. C) Chain. D) Geometric. Show Answer Correct Answer: D) Geometric. 30. This scientists said that there would be a promotion of an electron from a 2s orbital to a 2p orbital A) Jacon Berzelius. B) Michel Chevreul. C) Linus Pauling. D) Friedrich Wohler. Show Answer Correct Answer: C) Linus Pauling. 31. What element must be present in a compound to make it organic? A) Nitrogen and carbon. B) Nitrogen and phosphorous. C) Carbon. D) Carbon, oxygen and hydrogen. Show Answer Correct Answer: D) Carbon, oxygen and hydrogen. 32. Which of the following compound is carboxylic acid A) CH$_{3}$CHO. B) CH$_{3}$COOH. C) CH$_{3}$OCH$_{3}$. D) CH$_{3}$CH$_{2}$OH. Show Answer Correct Answer: B) CH$_{3}$COOH. 33. What are the required reagents / conditions for the reaction below?CH$_{3}$COOCH$_{2}$CH$_{3}$ $\rightarrow$ CH$_{3}$CH$_{2}$OH A) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$ / warm. B) NaBH$_{4}$ in ethanol / LiAlH$_{4}$ in ether. C) H$_{2}$O / H$_{3}$PO$_{4}$ catalyst / high pressure. D) Aqueous NaOH / warm (or aqueous H$_{2}$SO$_{4}$ / warm). Show Answer Correct Answer: D) Aqueous NaOH / warm (or aqueous H$_{2}$SO$_{4}$ / warm). 34. Cyanogen on hydrolysis will give A) Phthalic acid. B) Oxalic acid. C) Lactic acid. D) Citric acid. Show Answer Correct Answer: B) Oxalic acid. 35. Aniline on reaction with acetyl chloride in presence of anhydrous ZnCl2 will give A) Acrylonitrile. B) Diphenyl amine. C) Phenyl hydrazine. D) Acetanilide. Show Answer Correct Answer: D) Acetanilide. 36. Atoms most commonly bonded to carbon include: A) Na, Cl, O, H, Cl, Br, Se. B) N, O, H, F, Cl, Br, I. C) Br, O, Xe, H, Na, Cl. D) N, Cl, S, H, O. Show Answer Correct Answer: B) N, O, H, F, Cl, Br, I. 37. Hybridization involves following orbitals A) S and p. B) S, p and d. C) Only s. D) None of the above. Show Answer Correct Answer: B) S, p and d. 38. What is the pH level of an acid? A) 7. B) 14-21. C) 7.1-14. D) 0-6.9. Show Answer Correct Answer: D) 0-6.9. 39. Ethyl Alcohol mixed with water A) Slightly soluble/Slightly miscible. B) Insoluble/Immiscible. C) Soluble/Miscible. D) Undetermined result. Show Answer Correct Answer: C) Soluble/Miscible. 40. Cyclic imide of o-sulphobenzoic acid is A) Benzene sulphonic acid. B) Toluene sulphonic acid. C) Benzene sulphonyl chloride. D) Saccharin. Show Answer Correct Answer: D) Saccharin. 41. The weaker the intermolecular forces of a substance the ..... the boiling point A) Higher. B) Lower. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lower. 42. Which compound is a structural isomer of Z-but-2-ene? A) Butane. B) Methylbut-2-ene. C) E-but-2-ene. D) Cyclobutane. Show Answer Correct Answer: D) Cyclobutane. 43. Which statements are correct for the reaction of ethene with bromine in the absence of ultraviolet light? I. It is an addition reaction.II. The organic product is colourless.III. The organic product is saturated. 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. 44. Simple carbohydrates are called ..... ? A) Fats. B) Coffee. C) Salt. D) Sugar. Show Answer Correct Answer: D) Sugar. 45. All members of a homologous series are similar in terms of A) Structural formula. B) Chemical properties. C) Molecular formula. D) Physical properties. Show Answer Correct Answer: B) Chemical properties. 46. Which bond does carbon mostly form A) Hydrogen bond. B) Dipole-dipole. C) Covalent bond. D) None of the above. Show Answer Correct Answer: C) Covalent bond. 47. What is the first stage in the fractional distillation of crude oil? A) Heating, to make it a hot liquid. B) Heating, to vaporise the hydrocarbons. C) Separating the fractions. D) Cooling it. Show Answer Correct Answer: B) Heating, to vaporise the hydrocarbons. 48. Which type of formulas represents the simplest ratio of the constituent atoms in a compound? A) Structural formula. B) Empirical formula. C) Molecular formula. D) Condensed formula. Show Answer Correct Answer: B) Empirical formula. 49. What are the 4 main types of organic compounds? A) Carbon, hydrogen, sodium, fats. B) Carbohydrates, lipids, protein and nucleic acid. C) Fats, glycerol, wax, fructose. D) Monosaccharides, disaccharides, polysaccharides and oligosaccharides. Show Answer Correct Answer: B) Carbohydrates, lipids, protein and nucleic acid. 50. The root word for carbon 7 A) Sept. B) Hept. C) Non. D) Oct. Show Answer Correct Answer: B) Hept. 51. The most unstable conformer in cyclohexane? A) Twist boat. B) Half chair. C) Chair. D) Boat. Show Answer Correct Answer: B) Half chair. 52. Why is carbon able form long chains? A) Because carbon is an unstable non-metallic element. B) Carbon can form 4 covalent bond. C) Carbon is the most abundant element on the surface of our planet. D) Every organic compound contains carbon. Show Answer Correct Answer: B) Carbon can form 4 covalent bond. 53. Organic compound that fight diseases? A) Carbohydrates. B) Protein. C) Nucleic acid. D) Lipids. Show Answer Correct Answer: B) Protein. 54. Which of the following is aldehyde A) CH$_{3}$COOH. B) CH$_{3}$CH$_{2}$OH. C) CH$_{3}$CHO. D) CH$_{3}$OCH$_{3}$. Show Answer Correct Answer: C) CH$_{3}$CHO. 55. What functional group is-OH A) Carbonyl Ketone. B) Amino. C) Carboxyl. D) Hydroxyl. Show Answer Correct Answer: D) Hydroxyl. 56. If a compound has 13 covalent bonds, then how many electrons will it be sharing? A) 26. B) 16. C) 39. D) 13. Show Answer Correct Answer: A) 26. 57. ..... groups are atoms, groups of atoms or bond that determine the characteristic of an organic compound. A) Aromatic. B) Functional. C) Aliphatic. D) Hydrocarbon. Show Answer Correct Answer: B) Functional. 58. Which reaction is reversible? A) CuO + H2SO4 $\rightarrow$ CuSO4 + H2O. B) CuSO4.5H2O $\rightarrow$ CuSO4 + 5H2O. C) Cu + ZnSO4 $\rightarrow$ CuSO4 + Zn. D) CuO + H2 $\rightarrow$ Cu + H2O. Show Answer Correct Answer: B) CuSO4.5H2O $\rightarrow$ CuSO4 + 5H2O. 59. What are the four kind of orbitals? A) S, D, P, E. B) S, P, D, F. C) S, P, G, F. D) S, P, D, K. Show Answer Correct Answer: B) S, P, D, F. 60. Oxidation of o-xylene will give A) Oxalic acid. B) Benzoic acid. C) Phthalic acid. D) Citric acid. Show Answer Correct Answer: C) Phthalic acid. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books