This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What process is used to separate crude oil in hydrocarbons with different chain lengths? A) Distillation. B) Fractional distillation. C) Cracking. D) Polymerisation. Show Answer Correct Answer: B) Fractional distillation. 2. Poly means ..... A) Two. B) One. C) Many. D) None of the above. Show Answer Correct Answer: C) Many. 3. Which one of the following pairs reacts to form an organic product with only 2 singlets in its proton n.m.r. spectrum? A) Ethene and bromine. B) Propan-2-ol and acidified potassium dichromate(VI). C) Ethanol and concentrated sulphuric acid. D) Epoxyethane and water in the presence of dilute sulphuric acid. Show Answer Correct Answer: D) Epoxyethane and water in the presence of dilute sulphuric acid. 4. Type of reaction (unbalanced).CH$_{3}$CH$_{2}$OH $\rightarrow$ CH$_{2}$=CH$_{2}$ A) Acid base. B) Substitution. C) Elimination. D) Oxidation. Show Answer Correct Answer: C) Elimination. 5. The sufficient condition for showing optical activity is ..... A) Molecule should have measurable amount of optical activity only. B) Polarimeter should have capacity of recording low-degree optical activity only. C) Chirality of molecule as a whole only. D) Both, the molecule should have measurable amount of optical activity and polarimeter should have capacity of recording low-degree optical activity. Show Answer Correct Answer: D) Both, the molecule should have measurable amount of optical activity and polarimeter should have capacity of recording low-degree optical activity. 6. An example of a cyclic organic compound is: A) Pentene. B) Butene. C) Benzene. D) Propene. Show Answer Correct Answer: C) Benzene. 7. The IUPAC name of acetylene is: A) Propane. B) Propyne. C) Ethene. D) Ethyne. Show Answer Correct Answer: D) Ethyne. 8. How many alcohols have the general formula C$_{4}$H$_{10}$O? A) 3. B) 4. C) 5. D) 6. Show Answer Correct Answer: B) 4. 9. Inorganic compounds are necessary for life functions. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. Organic polymer can be divided into A) Synthetic organic polymer. B) Natural organic polymer. C) All of the above. D) None of the above. Show Answer Correct Answer: C) All of the above. 11. What are the required reagents / conditions for the reaction below?CH$_{3}$COCl $\rightarrow$ CH$_{3}$COOH A) H$_{2}$ / Ni catalyst / 150$^{o}$C. B) Concentrated KOH / ether / high temperature. C) H$_{2}$O. D) H$_{2}$O / H$_{3}$PO$_{4}$ catalyst / high pressure. Show Answer Correct Answer: C) H$_{2}$O. 12. Carbon will always form ..... bonds. A) $4$. B) 4 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $4$. 13. What functional group is present in a carboxylic acid? A) Carboxyl group. B) Hydroxyl group. C) Amino group. D) Aldehyde group. Show Answer Correct Answer: A) Carboxyl group. 14. Which statements about the chlorine free radical are correct? I.It has 18 electrons. II.It is an uncharged species. III.It is formed by homolytic fission. A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 15. What is a good name for the turtles? A) Watson. B) Crick. C) Humboldt. D) Turtle 1, 2. Show Answer Correct Answer: D) Turtle 1, 2. 16. Which method can be applied to separate a mixture of camphor and benzoic acid? A) Crystallization. B) Chemical methods. C) Sublimation. D) Extraction with solvent. Show Answer Correct Answer: B) Chemical methods. 17. Coniine is A) N-butyl piperidine. B) Iso-propyl piperidine. C) N-propyl piperidine. D) Piperidine. Show Answer Correct Answer: C) N-propyl piperidine. 18. Carbon has 4 valence electrons. What is the valence configuration? A) 1s2 p2. B) 2s2 p2. C) 3s2 p2. D) 4s2 p2. Show Answer Correct Answer: B) 2s2 p2. 19. Select the correct statement from the following option. A) Meso compound possess both plane of symmetry and centre of symmetry. B) Meso compound possess either plane or centre of symmetry. C) Meso compound does not possess either plane or centre of symmetry. D) Meso compounds are externally compensated form. Show Answer Correct Answer: B) Meso compound possess either plane or centre of symmetry. 20. What type of reaction occurs when an alcohol reacts with an organic acid? A) Substitution. B) Addition. C) Esterification. D) Hydrolysis. Show Answer Correct Answer: C) Esterification. 21. What is the suffix for double bond hydrocarbons? A) -ol. B) -ene. C) -ane. D) -one. Show Answer Correct Answer: B) -ene. 22. Which of the following is the general formula for an Alcohol? A) ROR. B) RCHO. C) ROH. D) C=O. E) RCOOH. Show Answer Correct Answer: C) ROH. 23. Which term represents an organic reaction that produces soap? A) Esterification. B) Fermentation. C) Saponification. D) Solidification. Show Answer Correct Answer: C) Saponification. 24. C$_{5}$H$_{12}$ + Br$_{2}$ $\rightarrow$ C$_{5}$H$_{11}$Br + HBr This reaction is called ..... A) Substitution. B) Addition. C) Cracking. D) Combustion. Show Answer Correct Answer: A) Substitution. 25. Hydrocarbons where each carbon is bonded to four other atoms, and all bonds are single bonds. A) Alkanes. B) Alkenes. C) Alkynes. D) None of the above. Show Answer Correct Answer: A) Alkanes. ← 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