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 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All of the followings are types of structural formula except ..... A) Skeletal structure. B) Built structure. C) Condensed structure. D) Expanded structure. Show Answer Correct Answer: B) Built structure. 2. What will be the chemical formula of alkene having Hydrogen atom = 12? A) C7H12. B) C5H12. C) C6H12. D) C12H24. Show Answer Correct Answer: C) C6H12. 3. The longer the hydrocarbon, the ..... the viscosity? A) Lower. B) Higher. C) All the above. D) None of the above. Show Answer Correct Answer: B) Higher. 4. The most flammable fraction A) Bitumen. B) Kerosene. C) Refinery gas. D) Fuel oil. Show Answer Correct Answer: C) Refinery gas. 5. Why is methane used as a fuel? A) It burns and releases energy (Exothermic reaction). B) It is a gas. C) It is odourless. D) It has a low boiling point. Show Answer Correct Answer: A) It burns and releases energy (Exothermic reaction). 6. Which formula represents a hydrocarbon? A) CH3CH3. B) CH3OH. C) CH3I. D) CH3NH2. Show Answer Correct Answer: A) CH3CH3. 7. In the hybridization of methane, how many p orbitals are there? A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: C) 3. 8. Vital Force Theory was proposed by A) Berzelius. B) Koble. C) F.Wohler. D) Berthelot. Show Answer Correct Answer: A) Berzelius. 9. Which two atoms are in a hydroxyl group? A) Oxygen and sulphur. B) Oxygen and carbon. C) Hydrogen and sulphur. D) Hydrogen and oxygen. Show Answer Correct Answer: D) Hydrogen and oxygen. 10. True or False:Structural Isomers have the same physical properties. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. The blue compound formed in the positive test for nitrogen with Lassaigne solution of an organic compound is A) Fe$_{4}$[Fe(CN)$_{6}$]$_{3}$. B) Fe(CN)$_{3}$. C) Na$_{4}$[Fe(CN)$_{5}$(NOS)]. D) Na$_{3}$[Fe(CN)$_{6}$]. Show Answer Correct Answer: A) Fe$_{4}$[Fe(CN)$_{6}$]$_{3}$. 12. Chlorobenzene on reaction with NaOH at 300K followed by acidic hydrolysis produces A) Benzaldehyde. B) Phenol. C) Sodium phenoxide. D) Benzoic acid. Show Answer Correct Answer: B) Phenol. 13. When we speak about "aldehydes" we can write the ending "-aldehido" or the ending "-al", it's correct? A) Yes, both are correct, it's so clear. B) NO, teacher are you crazy?. C) Maybe, but in Colombia we only use one. D) I don't know, i was asleep in that class. Show Answer Correct Answer: A) Yes, both are correct, it's so clear. 14. Alkanes produce ..... and H2O when they are burnt A) C. B) SO2. C) CO3. D) O2. E) CO2. Show Answer Correct Answer: E) CO2. 15. Which of the following generally undergoes substitution reactions A) Alkanes. B) Alkenes. C) Alkanes and alkenes. D) Algebras. Show Answer Correct Answer: A) Alkanes. 16. What the name of the single bond compounds that formed saturated hydrocarbons? A) Alkynes. B) Alkanes. C) Alkenes. D) Alkones. Show Answer Correct Answer: B) Alkanes. 17. Which substances can be produced from crude oil? A) Metal alloys and glass. B) Glass and concrete. C) Limestone and steel. D) Kerosene and polymers. Show Answer Correct Answer: D) Kerosene and polymers. 18. The principle involved in paper chromatography is A) Adsorption. B) Volatility. C) Solubility. D) Partition. Show Answer Correct Answer: D) Partition. 19. What is the focus of inorganic chemsitry? A) Characteristics of the Compounds of Carbon. B) Characteristics of the elements of the periodic table and their compounds. C) Characteristics of transitional metals and their compounds. D) Characteristics of silicon and its compounds. Show Answer Correct Answer: B) Characteristics of the elements of the periodic table and their compounds. 20. This is a region about the nucleus where the probability of finding the electrons is very high A) Pi bond. B) Hybrid orbital. C) Atomic orbital. D) Sigma bond. Show Answer Correct Answer: C) Atomic orbital. 21. Organic compounds are compounds contain ..... A) C. B) O. C) S. D) N. Show Answer Correct Answer: A) C. 22. What is the correct electronic configuration for Cu? A) 1s$^{2}$2s$^{2}$2p$^{6}$3s$^{2}$3p$^{6}$3d$^{10}$4s$^{1}$. B) 1s$^{2}$2s$^{2}$2p$^{6}$3s$^{2}$3p$^{6}$4s$^{2}$3d$^{9}$. C) 1s$^{2}$2s$^{2}$2p$^{6}$3s$^{2}$3p$^{6}$4s$^{1}$3d$^{10}$. D) 1s$^{2}$2s$^{2}$2p$^{6}$3s$^{2}$3p$^{6}$3d$^{9}$4s$^{2}$. Show Answer Correct Answer: B) 1s$^{2}$2s$^{2}$2p$^{6}$3s$^{2}$3p$^{6}$4s$^{2}$3d$^{9}$. 23. If there are 2 double bonds in a hydrocarbon, the parent chain will end in-diene. A) True. B) False. C) I have no idea. D) None of the above. Show Answer Correct Answer: A) True. 24. Which chemical reaction forms Carbon Dioxide and Water? A) Synthesis. B) Combustion. C) Decomposition. D) Single Replacement. Show Answer Correct Answer: B) Combustion. 25. When ethylene undergoes hybridization, what type of structure will it have? A) Tetrahedral structure. B) Cannot be determined. C) Planar structure. D) 3D structure. Show Answer Correct Answer: C) Planar structure. 26. Which of the following is a primary halide? A) Tertiary butyl iodide. B) Isopropyl iodide. C) Neo-hexyl chloride. D) Secondary butyl iodide. Show Answer Correct Answer: C) Neo-hexyl chloride. 27. 96% of all organisms are made of carbon, hydrogen, oxygen and nitrogen A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 28. Which of theFollowlng is not organic compounds A) Borazene. B) Napthlene. C) Benzene. D) Anthracene. Show Answer Correct Answer: A) Borazene. 29. Which compound does not belong to the same homologous series as the other three compounds? A) C2H5COOH. B) C2H5OH. C) CH3OH. D) C7H15OH. Show Answer Correct Answer: A) C2H5COOH. 30. Which of the following compound is ketone A) CH$_{3}$CHO. B) CH$_{3}$COOH. C) CH$_{3}$CH$_{2}$OH. D) CH$_{3}$OCH$_{3}$. Show Answer Correct Answer: D) CH$_{3}$OCH$_{3}$. 31. 7 membered chain of alkene is A) Septene. B) Heptene. C) Hexene. D) Pentene. Show Answer Correct Answer: B) Heptene. 32. Which compound is made up of carbons and hydrogen A) Alcohols. B) Aldehytes. C) Condensed structure. D) Hydrocarbons. Show Answer Correct Answer: D) Hydrocarbons. 33. Which of the following alcohols is NOT polyhydric? A) Ethylene glycol. B) Glycerol. C) Cyclohex-1, 2-dien-1-ol. D) Benzene-1, 2-diol. Show Answer Correct Answer: C) Cyclohex-1, 2-dien-1-ol. 34. Hydrocarbon are organic compounds containing ONLY hydrogen and carbon A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. What are the products obtained when alcohol reacts with PX$_{3 }$? A) Haloalkane and H$_{3}$PO$_{3}$. B) Haloalkane and H$_{3}$PO$_{4}$. C) Haloalkane and POCl$_{3}$. D) Haloalkane and H$_{2}$O. Show Answer Correct Answer: A) Haloalkane and H$_{3}$PO$_{3}$. 36. Which of the following preparation give more number carbon containing alcohol as a product? A) Reduction of carbonyl compound. B) Hydroboration. C) Fermentation method. D) Grignard reagent. Show Answer Correct Answer: D) Grignard reagent. 37. Haloalkanes contain halogens in their structure, select the choice that correctly lists the halogens A) F, Cl, S, Se. B) F, Se, Br, I. C) F, Cl, Br, Se. D) F, Cl, Br, I. Show Answer Correct Answer: D) F, Cl, Br, I. 38. Which of the following is a functional group commonly found in organic molecules? A) Phosphate. B) Hydroxyl. C) Sulfate. D) Nitrate. Show Answer Correct Answer: B) Hydroxyl. 39. Which are consecutive members of a homologous series? A) CH$_{4}$, CH$_{3}$Cl, CH$_{2}$Cl$_{2}$. B) HCOOH, CH$_{3}$COOH, C$_{2}$H$_{5}$COOH. C) C$_{2}$H$_{2}$, C$_{2}$H$_{4}$, C$_{2}$H$_{6}$. D) HCOOH, HCHO, CH$_{3}$OH. Show Answer Correct Answer: B) HCOOH, CH$_{3}$COOH, C$_{2}$H$_{5}$COOH. 40. Is a main kind of organic compound, serves as energy source for cells, present in sugary drinks and food. A) Nucleic Acid. B) Lipids. C) Protein. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 41. In sp3 hybridization, structure should be A) Trigonal. B) Tetrahedral. C) Square. D) None of the above. Show Answer Correct Answer: B) Tetrahedral. 42. Type of reaction (unbalanced).CH$_{2}$=CH$_{2}$ $\rightarrow$ CH$_{2}$Br-CH$_{2}$Br A) Elimination. B) Oxidation. C) Substitution. D) Addition. Show Answer Correct Answer: D) Addition. 43. Enamines can act as: A) Nucleophiles. B) Electrophile. C) All the above. D) None of the above. Show Answer Correct Answer: A) Nucleophiles. 44. Which fossil fuel is made of 6% sulfur and is the dirtiest to burn? A) Coal. B) Heating oil. C) Natural gas. D) Gasoline. Show Answer Correct Answer: A) Coal. 45. What does the viscosity of a hydrocarbon tell you? A) How easily it sets alight. B) What its boiling point is. C) How long the hydrocarbon is. D) How easily it flows. Show Answer Correct Answer: D) How easily it flows. 46. The eg of heterocyclic aromatic compound A) Benzene. B) Pyridine. C) Cyclopropane. D) None of the above. Show Answer Correct Answer: B) Pyridine. 47. Which of the following is the correct IUPAC name? A) 4, 4-Bis(Methyl)-3-ethylpentane. B) 5-Ethyl-4, 4-dimethylheptane. C) 4, 4-dimethyl-3-ethylheptane. D) 3-Ethyl-4, 4-dimethylheptane. Show Answer Correct Answer: D) 3-Ethyl-4, 4-dimethylheptane. 48. Which compound is most soluble in water? A) CH$_{3}$CH$_{2}$CH$_{2}$CO$_{2}$H. B) CH$_{3}$CH$_{2}$CO$_{2}$H. C) CH$_{3}$CH$_{2}$CHO. D) CH$_{3}$CH$_{2}$CH$_{2}$CHO. Show Answer Correct Answer: B) CH$_{3}$CH$_{2}$CO$_{2}$H. 49. Which of the following enzyme is used to produce glucose from sugar? A) Maltase. B) Invertase. C) Pepsin. D) Zymase. Show Answer Correct Answer: B) Invertase. 50. The total number bonds carbon can have in organic compounds A) 4. B) 1. C) 2. D) 3. Show Answer Correct Answer: A) 4. 51. Which effect is present in Benzoic acid? A) -M. B) +I. C) -I. D) +M. Show Answer Correct Answer: A) -M. 52. Isoelectric point of glycine is A) 2. B) 6. C) 10. D) 4. Show Answer Correct Answer: B) 6. 53. Which compound decolourises bromine water? A) Ethane. B) Propane. C) Methane. D) Ethene. Show Answer Correct Answer: D) Ethene. 54. Which compound is present in all organic compounds? A) Oxygen. B) Carbon. C) Sulfur. D) Nitrogen. Show Answer Correct Answer: B) Carbon. 55. In Kjeldahl's method of estimation of N, N is quantitatively converted to ammonium sulphate. It is then treated with standard solution of alkalI. The nitrogen which is preset is estimated as A) N$_{2}$ gas. B) NO$_{2}$ gas. C) (NH$_{4}$)$_{2}$SO$_{4}$ ppt. D) NH$_{3}$ gas. Show Answer Correct Answer: D) NH$_{3}$ gas. 56. What are the required reagents / conditions for the reaction below?CH$_{3}$CHO $\rightarrow$ CH$_{3}$COOH A) Concentrated H$_{2}$SO$_{4}$ / high temperature. B) NaBH$_{4}$ in ethanol / LiAlH$_{4}$ in ether. C) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$. D) H$_{2}$O / H$_{3}$PO$_{4}$ catalyst / high pressure. Show Answer Correct Answer: C) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$. 57. True or False:Cyclic hydrocarbons that contain only single carbon-carbon bonds are called cycloalkanes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 58. Slowly decolourises Br$_{2}$ water-needs uv and/or heat A) Alkynes. B) ALkanes. C) Alkenes. D) Amines. Show Answer Correct Answer: B) ALkanes. 59. Ethylidene chloride is a/an A) Gem-dihalide. B) Vic-dihalide. C) Allylic halide. D) Vinylic halide. Show Answer Correct Answer: A) Gem-dihalide. 60. If on adding FeCl$_{3}$ solution to acidified Lassaigne solution, a blood red colourisation is produced. It indicates the presence of A) N. B) S and Cl. C) S. D) N and S. Show Answer Correct Answer: D) N and S. ← 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 7Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books