This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Out of this compound which is unsaturated? A) Methane. B) Propane. C) Ethene. D) Cyclo hexane. Show Answer Correct Answer: C) Ethene. 2. Organic compound must contain ..... A) C-O bond. B) C-Cl bond. C) C-H bond. D) C-Br bond. Show Answer Correct Answer: C) C-H bond. 3. How many isomers exist with the molecular formula C$_{3}$H$_{6}$? A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: B) Two. 4. 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. 5. What are the required reagents / conditions for the reaction below?CH$_{3}$CHO $\rightarrow$ CH$_{3}$CH(OH)CN A) Concentrated aqueous NH$_{3}$. B) Aqueous NaOH / warm. C) Concentrated NH$_{3}$ / heat in sealed tube. D) NaCN / aqueous H$_{2}$SO$_{4}$. Show Answer Correct Answer: D) NaCN / aqueous H$_{2}$SO$_{4}$. 6. 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. 7. What will be the chemical formula of alkene having Hydrogen atom = 12? A) C12H24. B) C7H12. C) C5H12. D) C6H12. Show Answer Correct Answer: D) C6H12. 8. Monomers are: A) Single units of larger molecules linked together. B) Single sugars. C) Large molecules. D) None of the above. Show Answer Correct Answer: A) Single units of larger molecules linked together. 9. 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. 10. The most flammable fraction A) Kerosene. B) Fuel oil. C) Bitumen. D) Refinery gas. Show Answer Correct Answer: D) Refinery gas. 11. 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). 12. Which formula represents a hydrocarbon? A) CH3I. B) CH3NH2. C) CH3CH3. D) CH3OH. Show Answer Correct Answer: C) CH3CH3. 13. In the hybridization of methane, how many p orbitals are there? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 14. Vital Force Theory was proposed by A) Berthelot. B) Berzelius. C) Koble. D) F.Wohler. Show Answer Correct Answer: B) Berzelius. 15. 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. 16. 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. 17. The blue compound formed in the positive test for nitrogen with Lassaigne solution of an organic compound is A) Na$_{3}$[Fe(CN)$_{6}$]. B) Fe$_{4}$[Fe(CN)$_{6}$]$_{3}$. C) Na$_{4}$[Fe(CN)$_{5}$(NOS)]. D) Fe(CN)$_{3}$. Show Answer Correct Answer: B) Fe$_{4}$[Fe(CN)$_{6}$]$_{3}$. 18. Chlorobenzene on reaction with NaOH at 300K followed by acidic hydrolysis produces A) Phenol. B) Sodium phenoxide. C) Benzaldehyde. D) Benzoic acid. Show Answer Correct Answer: A) Phenol. 19. 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. 20. Alkanes produce ..... and H2O when they are burnt A) CO3. B) SO2. C) C. D) CO2. E) O2. Show Answer Correct Answer: D) CO2. 21. Which of the following generally undergoes substitution reactions A) Alkanes. B) Alkenes. C) Alkanes and alkenes. D) Algebras. Show Answer Correct Answer: A) Alkanes. 22. Alkene A) Carbon-Carbon triple bond. B) None. C) Carbon-Carbon double bond. D) Carbon-Carbon Single bond. Show Answer Correct Answer: C) Carbon-Carbon double bond. 23. What the name of the single bond compounds that formed saturated hydrocarbons? A) Alkanes. B) Alkenes. C) Alkynes. D) Alkones. Show Answer Correct Answer: A) Alkanes. 24. 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. 25. The principle involved in paper chromatography is A) Adsorption. B) Solubility. C) Volatility. D) Partition. Show Answer Correct Answer: D) Partition. ← 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