This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an electrophilic reagent? A) OH$^{-}$. B) H$_{2}$O. C) NO$^{+}$$_{2}$. D) NH$_{3}$. Show Answer Correct Answer: C) NO$^{+}$$_{2}$. 2. How many bonds does Carbon need to become stable? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 3. The compounds which contain only carbon and hydrogen are called ..... A) Alkanes. B) Alkenes. C) Organic compounds. D) Hydrocarbons. Show Answer Correct Answer: D) Hydrocarbons. 4. What is the main function of carbohydrates in living organisms? A) Store genetic information. B) Facilitate cell communication. C) Regulate body temperature. D) Provide energy. Show Answer Correct Answer: D) Provide energy. 5. The boiling point of hydrocarbons (alkanes, alkenes and alkynes) A) Increases when the number of CARBONS increases. B) Increases when the number of HYDROGEN increases. C) Doesn't depend on the number of carbons. D) None of the above. Show Answer Correct Answer: A) Increases when the number of CARBONS increases. 6. What is the product of the reaction between an alcohol and a carboxylic acid? A) Amine. B) Ketone. C) Ester. D) Aldehyde. Show Answer Correct Answer: C) Ester. 7. The isomers butane and methylpropane have A) The same molecular formula and the same properties. B) The same molecular formula and different properties. C) Different molecular formulas and the same properties. D) Different molecular formulas and different properties. Show Answer Correct Answer: B) The same molecular formula and different properties. 8. The addition of unsymmetrical reagent to an unsymmetrical alkene is according to ..... rule A) Lewis. B) Avogadro. C) Markonikov. D) Octet. Show Answer Correct Answer: C) Markonikov. 9. Which of the following is a permanent electron displacement effect? A) Hyperconjugation. B) Electromeric. C) Inductive. D) Resonance. Show Answer Correct Answer: C) Inductive. 10. Formal charges must always be written/drawn A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. How many bonds are there between the carbon atoms in unsaturated hydrocarbons? A) 1. B) 2. C) 3. D) 2 or 3. Show Answer Correct Answer: D) 2 or 3. 12. What is the prefix used when referring to ring structures? A) Pyro-. B) Aro-. C) Cyclo-. D) None of the above. Show Answer Correct Answer: C) Cyclo-. 13. Which alcohol when oxidized produces aldehydes? A) Quartener. B) Tertiary. C) Secondary. D) Primer. Show Answer Correct Answer: D) Primer. 14. To convert ethene to Ethan-1, 2-diol reagent used is A) KOH. B) Dilute sufuric acid. C) Potassium trichloride. D) Acidified permanganate. Show Answer Correct Answer: D) Acidified permanganate. 15. What is the name of the process in which one orbital "S" and three orbitals "P" combined to form new orbitals? A) Combining. B) Joining. C) Hybridization. D) Hydrozation. Show Answer Correct Answer: C) Hybridization. 16. A kind of heterogenous mixture where large particles settle down. An example of this is paracetamol syrup. A) Solution. B) Colloid. C) Suspension. D) None of the above. Show Answer Correct Answer: C) Suspension. 17. The term ..... means "water-fearing", and these will not dissolve in water. A) Hydrophilic. B) Hydrophobic. C) Soluble. D) Catalyst. Show Answer Correct Answer: B) Hydrophobic. 18. What is Vis vitalis? A) A force that was believed to hold organic materials together. B) A chemical bonding believed to exist between materials inthe human body. C) A force that was believed to make things grow old. D) A force that is proven to hold organic materials in the human body. Show Answer Correct Answer: A) A force that was believed to hold organic materials together. 19. The substituent that has three carbons in the form of a Y is called A) Propyl. B) Iso. C) Isopropyl. D) None of the above. Show Answer Correct Answer: C) Isopropyl. 20. In organic chemistry, commas separate ..... A) Numbers. B) Names from numbers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Numbers. 21. Molecule with the same molecular structure but different structural formula A) Fats. B) Lipids. C) Fossil fuels. D) Isomers. Show Answer Correct Answer: D) Isomers. 22. What is the minimum number of carbon atoms of an alkane must have to form an isomer? A) Functional isomerism. B) Metamerism. C) Ring-chain isomerism. D) Position isomerism. Show Answer Correct Answer: C) Ring-chain isomerism. 23. 1-ethanol belongs to which Alcohol group? A) Primer. B) Secondary. C) Tertier. D) Quartener. Show Answer Correct Answer: A) Primer. 24. Which organic compound reacts with acidified potassium manganate(VII) solution, causing a colour change? A) Ethane. B) Ethanoic acid. C) Ethanol. D) Poly(ethene). Show Answer Correct Answer: C) Ethanol. 25. Which of the following is the general formula for an Aldehyde? A) ROR. B) RCHO. C) ROH. D) C=O. E) RCOOH. Show Answer Correct Answer: B) RCHO. ← 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 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 10Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books