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 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cumulated Diene is also known as A) Conjugated diene. B) Isolated diene. C) Annulene. D) None. Show Answer Correct Answer: C) Annulene. 2. What is the shape for sp3 hybridized orbital in CH4? A) Trigonal bipyramidal. B) Trigonal planar. C) Tetrahedral. D) Linear. Show Answer Correct Answer: C) Tetrahedral. 3. Which of the following is not a halide? A) S. B) I. C) Br. D) Cl. Show Answer Correct Answer: A) S. 4. Is a main kind of organic compound, made out of fatty acids, they made up the cell membrane. A) Lipids. B) Carbohydrates. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: A) Lipids. 5. What is the simplest alkene? A) Ethene. B) Methene. C) Propene. D) Nonene. Show Answer Correct Answer: A) Ethene. 6. The empirical formula for benzene is A) C$_{6}$H$_{6}$. B) C$_{2}$H$_{2}$. C) CH. D) C$_{3}$H$_{3}$. Show Answer Correct Answer: C) CH. 7. If sugar is made up of single unit it is called? A) Polysaccharide. B) Disaccharide. C) Monosaccharide. D) Oligosaccharide. Show Answer Correct Answer: C) Monosaccharide. 8. Used in gas cooker A) Kerosene. B) Bitumen. C) Refinery gas. D) Fuel oil. Show Answer Correct Answer: C) Refinery gas. 9. What is the suffix used for ketone? A) -one. B) -oic. C) -ol. D) -ane. Show Answer Correct Answer: A) -one. 10. Which is an unsaturated compound A) CH2=CH(Cl).CHO. B) CH3. CHOH.CH3. C) CHO.CH2.CH(CH3)2. D) None of the above. Show Answer Correct Answer: A) CH2=CH(Cl).CHO. 11. What is the atomic number of Nitrogen? A) 7. B) 1. C) 3. D) 5. Show Answer Correct Answer: A) 7. 12. Optical activity is the property in which a substance is unable to rotate the plane of polarisation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. Select the correct name of the following formula. C$_{6}$H$_{11}$NH$_{2}$ A) Hexene. B) Hexanamine. C) Hexenamine. D) Hexenol. Show Answer Correct Answer: C) Hexenamine. 14. Acid amide can be converted to amine with one carbon less by A) Swartz reaction. B) Iodoform reaction. C) Simonini reaction. D) Hoffman bromamide reaction. Show Answer Correct Answer: D) Hoffman bromamide reaction. 15. How was crude oil formed? A) By cracking. B) By fractional distillation. C) Mostly from the remains of dinosaur bones. D) From the remains of an ancient biomass, consisting mainly of plankton, that was buried in mud. Show Answer Correct Answer: D) From the remains of an ancient biomass, consisting mainly of plankton, that was buried in mud. 16. Which type of formulas represents only combination ratio of the constituent atoms? A) Empirical Formula. B) Structural Formula. C) Condense Formula. D) Molecular Formula. Show Answer Correct Answer: A) Empirical Formula. 17. The effect of temperature on the rate of the reaction between marble chips and hydrochloric acidcan be investigated by measuring the production of carbon dioxide. Which item of equipment is not required for the investigation? A) Stopclock. B) Condenser. C) Gas syringe. D) Thermometer. Show Answer Correct Answer: B) Condenser. 18. Which analysis is needed to determine type of elements present in given sample? A) Simple Analysis. B) Quantitative Analysis. C) Stoichiometric Analysis. D) Qualitatif Analysis. Show Answer Correct Answer: D) Qualitatif Analysis. 19. Which one of the following is an example for reducing sugar A) Starch. B) Cellulose. C) Glucose. D) Sucrose. Show Answer Correct Answer: C) Glucose. 20. Match the name of the straight-chain alkane with the number of atoms it contains:Nonane A) 9. B) 4. C) 7. D) 3. Show Answer Correct Answer: A) 9. 21. Organic molecules contain (at least) the elements A) Nitrogen and Oxygen. B) Phosphorous and Sulfur. C) Carbon and Hydrogen. D) Oxygen and Hydrogen. Show Answer Correct Answer: C) Carbon and Hydrogen. 22. Which of the following represents the given sequence of hybridization of carbon atoms from left to right sp$^{2}$, sp$^{2}$, sp, sp? A) H$_{2}$C=CH-CH=CH$_{2}$. B) A) H$_{2}$C=CH-CCH. C) H$_{3}$C-CH=CH-CH$_{3}$. D) HCC-CH=CH$_{2}$. Show Answer Correct Answer: B) A) H$_{2}$C=CH-CCH. 23. Choose the more relevant answer in regards to the environmental impact:The combustion of any type of hydrocarbon: A) Causes carbon monoxide increasing the greenhouse gases in the atmosphere. B) Is relevant for the economical development of petroleum producer countries,. C) Is used as the main reaction for energetic purposes. D) None of the above. Show Answer Correct Answer: A) Causes carbon monoxide increasing the greenhouse gases in the atmosphere. 24. What are the required reagents / conditions for the reaction below?CH$_{3}$COCl $\rightarrow$ CH$_{3}$COOCH$_{2}$CH$_{3}$ A) NaCN / aqueous H$_{2}$SO$_{4}$. B) CH$_{3}$COOH / concentrated H$_{2}$SO$_{4}$ / warm. C) H$_{2}$O. D) CH$_{3}$CH$_{2}$OH. Show Answer Correct Answer: D) CH$_{3}$CH$_{2}$OH. 25. The most reactive nucleophile among the following is A) (CH3)2CHO$^{-}$. B) (CH3)3CO$^{-}$. C) CH3O$^{-}$. D) C6H5O$^{-}$. Show Answer Correct Answer: C) CH3O$^{-}$. 26. How many carbons does butane have? A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: B) 4. 27. Which could form an addition polymer? A) H$_{2}$NCH$_{2}$CHCHCH$_{2}$NH$_{2}$. B) H$_{2}$N(CH$_{2}$)$_{6}$CO$_{2}$H. C) H$_{2}$N(CH$_{2}$)$_{6}$NH$_{2}$. D) HO(CH$_{2}$)$_{2}$CO$_{2}$H. Show Answer Correct Answer: A) H$_{2}$NCH$_{2}$CHCHCH$_{2}$NH$_{2}$. 28. Carbon has ..... electrons-the same number of bonds it can make. A) 3. B) 1. C) 4. D) 2. Show Answer Correct Answer: A) 3. 29. Carbon compounds can form: A) Branched compounds. B) Straight compounds. C) Ring structures. D) All of the above. Show Answer Correct Answer: D) All of the above. 30. What is the pH level of a base? A) 0-6.9. B) 14-21. C) 7.1-14. D) 7. Show Answer Correct Answer: C) 7.1-14. 31. It carries the genetic information for the Cells A) RNA. B) NADPH. C) DNA. D) ATP. Show Answer Correct Answer: C) DNA. 32. How many carbon atoms are in ethane? A) 1. B) 3. C) 4. D) 2. Show Answer Correct Answer: D) 2. 33. Which compound could be X in the two-stage reaction pathway?C$_{2}$H$_{4}$ $\rightarrow$ X $\rightarrow$ C$_{2}$H$_{5}$OH A) C$_{2}$H$_{4}$Cl$_{2}$. B) C$_{2}$H$_{5}$Br. C) C$_{2}$H$_{6}$. D) C$_{2}$H$_{3}$OH. Show Answer Correct Answer: B) C$_{2}$H$_{5}$Br. 34. The suffix used for alkynes A) Ane. B) Ene. C) Yne. D) All. Show Answer Correct Answer: C) Yne. 35. Fraction with the highest boiling point A) Refinery gas. B) Bitumen. C) Petroleum. D) Diesel. Show Answer Correct Answer: B) Bitumen. 36. The compounds CH$_{3}$CH$_{2}$CH$_{2}$OH and CH$_{3}$OCH$_{2}$CH$_{3}$ have different A) Functional groups. B) Numbers of carbon atoms per mole. C) Numbers of hydrogen atoms per mole. D) Molecular masses. Show Answer Correct Answer: A) Functional groups. 37. Match the name of the straight-chain alkane with the number of atoms it contains:Butane A) 3. B) 7. C) 4. D) 9. Show Answer Correct Answer: C) 4. 38. What is the main constituent of Natural Gas? A) Helium. B) Hydrogen. C) Ethene. D) Methane. Show Answer Correct Answer: D) Methane. 39. At a given temperature, the osmotic pressure of a solution is directly proportional to A) Concentration. B) Volume. C) Quantity. D) None of the above. Show Answer Correct Answer: A) Concentration. 40. Which one is an Alkane? A) Has a C C Single Bond. B) Has a C==C Double Bond. C) All the above. D) None of the above. Show Answer Correct Answer: A) Has a C C Single Bond. 41. The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms? A) Methane, ethane, butane, propane. B) Methane, ethane, propane, butane. C) Methane, propane, ethane, butane. D) Ethane, methane, propane, butane. Show Answer Correct Answer: B) Methane, ethane, propane, butane. 42. Which of the following compound is ether A) CH$_{3}$COOH. B) CH$_{3}$CHO. C) CH$_{3}$CH$_{2}$OCH$_{3}$. D) CH$_{3}$COCH$_{3}$. Show Answer Correct Answer: C) CH$_{3}$CH$_{2}$OCH$_{3}$. 43. Which of the following is most reactive towards nucleophilic substitution reaction?? A) CH2=CHCl. B) C6H5Cl. C) CH3CH=CHCl. D) ClCH2CH=CH2. Show Answer Correct Answer: D) ClCH2CH=CH2. 44. General formula for alkyne A) C$_{n}$H$_{2n}$. B) C$_{n}$H$_{2n+2}$. C) C$_{n}$H$_{2n-2}$. D) CH. Show Answer Correct Answer: C) C$_{n}$H$_{2n-2}$. 45. Which element is found in all organic molecules? A) Nitrogen (N). B) Oxygen (O). C) Carbon (C). D) Hydrogen (H). Show Answer Correct Answer: C) Carbon (C). 46. The position of Carbon in the periodic table is A) Period-2, Group-14. B) Period-2, Group-15. C) Period-1, Group-14. D) Period-1, Group-15. Show Answer Correct Answer: A) Period-2, Group-14. 47. Which of the following is the general formula for alkenes? A) C$_{n}$H$_{2n}$. B) C$_{2n}$H$_{n}$. C) C$_{n}$H$_{2n+2}$. D) C$_{2n}$H$_{n+2}$. Show Answer Correct Answer: A) C$_{n}$H$_{2n}$. 48. Colour change when Br$_{2}$ water is added to Butene A) Purple to colourless. B) Purple to brown. C) Orange to colourless. D) Orange to green. Show Answer Correct Answer: C) Orange to colourless. 49. An organic compound gave 0.4655g of CO$_{2}$ on complete combustion. If the mass of the compound taken was 0.2115g, what is the percentage of C in it? A) 26.67%. B) 28.08%. C) 13.30%. D) 60.03%. Show Answer Correct Answer: D) 60.03%. 50. Number of alcohol produces by reduction of ester? A) 3. B) 1. C) 2. D) 4. Show Answer Correct Answer: C) 2. 51. Amines condense with aldehydes to form ..... A) Schiff base. B) Amides. C) Acetamides. D) None of the above. Show Answer Correct Answer: A) Schiff base. 52. Which statement is correct about the polymerization of ethene to poly(ethene)? A) The polymer is an alkene. B) The monomer ethene and the repeating unit have the same empirical formula. C) The monomer ethene is less reactive than the polymer. D) The polymer contains C-C single and C=C double bonds. Show Answer Correct Answer: B) The monomer ethene and the repeating unit have the same empirical formula. 53. Which is NOT a type of mechanism? A) Free radical substitution. B) Electrophilic addition. C) Free radical addition. D) Nucleophilic substitution. Show Answer Correct Answer: C) Free radical addition. 54. There are two main forms of isomerism, which are? A) Structural isomerism and Stereoisomerism. B) Stereoisomerism and Physical isomerism. C) Chemical isomerism and Stereoisomerism. D) Structural isomers and Geometric Isomers. Show Answer Correct Answer: A) Structural isomerism and Stereoisomerism. 55. Which of the following compounds turn blue litmus red? A) Ethanol. B) Methane. C) Ethanoic acid. D) Ethene. Show Answer Correct Answer: C) Ethanoic acid. 56. Out of this compound which is unsaturated? A) Methane. B) Propane. C) Cyclo hexane. D) Ethene. Show Answer Correct Answer: D) Ethene. 57. Organic compound must contain ..... A) C-Br bond. B) C-Cl bond. C) C-O bond. D) C-H bond. Show Answer Correct Answer: D) C-H bond. 58. How many isomers exist with the molecular formula C$_{3}$H$_{6}$? A) Three. B) Two. C) One. D) Four. Show Answer Correct Answer: B) Two. 59. The type of reaction that occur in alkenes A) Elimination. B) Substitution. C) Addition. D) None of the above. Show Answer Correct Answer: C) Addition. 60. What are the required reagents / conditions for the reaction below?CH$_{3}$CHO $\rightarrow$ CH$_{3}$CH(OH)CN A) NaCN / aqueous H$_{2}$SO$_{4}$. B) Aqueous NaOH / warm. C) Concentrated aqueous NH$_{3}$. D) Concentrated NH$_{3}$ / heat in sealed tube. Show Answer Correct Answer: A) NaCN / aqueous H$_{2}$SO$_{4}$. ← 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