This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the suffix used for alcohol series A) Al. B) Ol. C) Oh. D) None of the above. Show Answer Correct Answer: B) Ol. 2. Review from Module 4:What is activation energy? A) Minimum amount of energy required to start a chemical reaction. B) The energy required to stop a chemical reaction. C) The maximum amount of energy required to start a chemical reaction. D) The energy released during a chemical reaction. Show Answer Correct Answer: A) Minimum amount of energy required to start a chemical reaction. 3. Types of stereo-isomerism are optical isomerism and A) Cis-isomerism. B) Trans-isomerism. C) Cis-trans isomerism. D) All of them. Show Answer Correct Answer: C) Cis-trans isomerism. 4. In the hybridization of acetylene, how many unpaired atomic orbitals are there? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 5. Which of the following is a characteristic of a homologous series in organic chemistry? A) They have the same functional group and differ by a $CH_2$. B) They have different functional groups and differ by a $CH_3$. C) They have the same molecular formula but different structures. D) They have different molecular formulas and different structures. Show Answer Correct Answer: A) They have the same functional group and differ by a $CH_2$. 6. What functional group is present in an amine? A) Phosphate group (PO4). B) Carbonyl group (C=O). C) Amino group (-NH2). D) Hydroxyl group (-OH). Show Answer Correct Answer: C) Amino group (-NH2). 7. The basic form of matter is the A) Molecule. B) Proton. C) Atom. D) None of the above. Show Answer Correct Answer: C) Atom. 8. Organic compounds are classified according to their A) Groups. B) Period. C) Chemical reactions. D) Homologous series. Show Answer Correct Answer: D) Homologous series. 9. During sodium extract preparation for Lassaigne's test both N and S present in organic compound change to A) NaSCN. B) NaCN and Na$_{2}$S. C) NaNO$_{3}$ and Na$_{2}$S. D) NaNH$_{2}$ and Na$_{2}$SO$_{4}$. Show Answer Correct Answer: A) NaSCN. 10. Which of the following compound has gauche as it stable conformer? A) N-butane. B) N-propane. C) 1, 2-dicloroethane. D) 1, 2-dihydroxyethane. Show Answer Correct Answer: D) 1, 2-dihydroxyethane. 11. Which of the following is not a functional group isomer? A) Methyl alcohol and dimethyl ether. B) Ethyl alcohol and dimethyl ether. C) Acetone and acetaldehyde. D) Propionic acid and propanone. Show Answer Correct Answer: A) Methyl alcohol and dimethyl ether. 12. The vacancy of carbon is A) 3. B) 5. C) 4. D) None of the above. Show Answer Correct Answer: C) 4. 13. A sigma bond occurs when atomic orbitals directly overlap A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. What is the name of the alkane with two carbon atoms? A) Ethane. B) Methane. C) Butane. D) Propane. Show Answer Correct Answer: A) Ethane. 15. A molecule of 2, 3 dimethyl hexane would have how many TOTAL carbons? A) 6. B) 7. C) 8. D) 9. Show Answer Correct Answer: C) 8. 16. Which trend(s) in physical properties is/are true for alkanes with increasing molecular mass? A) Melting and boiling points decrease. B) Density decreases. C) Viscosity increases. D) Flammability increases. Show Answer Correct Answer: C) Viscosity increases. 17. The suffix used for the ketones A) Al. B) One. C) Ol. D) Ke. Show Answer Correct Answer: B) One. 18. Which compound can both be esterified and turn acidified potassium dichromate(VI) solution green? A) (CH$_{3}$)$_{3}$COH. B) CH$_{3}$CH$_{2}$CO$_{2}$H. C) (CH$_{3}$)$_{2}$CHOH. D) CH$_{3}$CH$_{2}$COCH$_{3}$. Show Answer Correct Answer: C) (CH$_{3}$)$_{2}$CHOH. 19. Petroleum and natural gas form from ..... A) Strong winds. B) Cooled magma. C) Radioactive materials. D) Remains of plants and animals. Show Answer Correct Answer: D) Remains of plants and animals. 20. In an organic chemistry experiment, which reagent is commonly used to oxidize primary alcohols to aldehydes? A) LiAlH 4. B) KMnO 4. C) PCC (Pyridinium chlorochromate). D) NaBH 4. Show Answer Correct Answer: C) PCC (Pyridinium chlorochromate). 21. Can 2-cyanopentane exists as a pair of enantiomers? A) Yes, because it is a electrophlie. B) No, it is not an optical isomer. C) Yes, because it contains a chiral carbon bonded to four different atoms or groups. D) None of the above. Show Answer Correct Answer: C) Yes, because it contains a chiral carbon bonded to four different atoms or groups. 22. The IUPAC name of methyl acetylene is: A) Propyne. B) Ethene. C) Propane. D) Ethyne. Show Answer Correct Answer: A) Propyne. 23. This theory states that organic compounds must contain a peculiar vital force A) VSEPR Theory. B) Hybridization. C) Vital Force Theory. D) Valence Bond Theory. Show Answer Correct Answer: C) Vital Force Theory. 24. Match the name of the straight-chain alkane with the number of atoms it contains:Propane A) 3. B) 4. C) 7. D) 9. Show Answer Correct Answer: A) 3. 25. Reduction of etylethanoate(CH$_{3}$COOCH$_{2}$CH$_{3}$) In presence of LiAlH$_{4}$ Produces A) 2 moles of ethylacohol. B) 1 mole of ethylacohol. C) 2 moles of methylalcohol. D) 1 mole of propylacohol. Show Answer Correct Answer: A) 2 moles of ethylacohol. ← 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