This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the IUPAC name for the compound with the molecular formula $C_2H_5OH$ A) Methanol. B) Ethanol. C) Propanol. D) Butanol. Show Answer Correct Answer: B) Ethanol. 2. What is the general formula for an alkane? A) CnH2n. B) CnH2n-2. C) CnH2n+3. D) CnH2n+2. Show Answer Correct Answer: D) CnH2n+2. 3. The main difference between C-X bond of a haloalkane and a haloarene is A) C-X bond in haloalkanes is shorter than haloarenes. B) In haloalkanes the C attached to halogen in C-X bond is sp3 hybridised while in haloarenes it is sp2 hybridised. C) C-X bond in haloalkanes acquires a double bond character due to higher electronegativity of X than haloarenes. D) Haloalkanes are less reactive than haloarenes due to difficulty in C-X cleavage in haloalkanes. Show Answer Correct Answer: B) In haloalkanes the C attached to halogen in C-X bond is sp3 hybridised while in haloarenes it is sp2 hybridised. 4. Is the chemistry of carbon. A) Inorganic Chemistry. B) Organic Chemistry. C) Analytical Chemistry. D) Biochemistry. Show Answer Correct Answer: B) Organic Chemistry. 5. Which is the best method to prepare phenol? A) Dow. B) From Benzene sulphonic acid. C) Cumene. D) From aniline. Show Answer Correct Answer: C) Cumene. 6. What is the name of the structure taken by carbon atoms in order to be combined with several compounds.? A) Pentahedral. B) Tetrahedral. C) Octahedral. D) Metahedral. Show Answer Correct Answer: B) Tetrahedral. 7. The eg of aliphatic cyclic compound is A) Benzene. B) Butadiene. C) Cyclohexane. D) None of the above. Show Answer Correct Answer: C) Cyclohexane. 8. Which functional group contains a sulfur atom? A) Carbonyl group (-C=O). B) Hydroxyl group (-OH). C) Thiol group (-SH). D) Amino group (-NH2). Show Answer Correct Answer: C) Thiol group (-SH). 9. Which of the following is the correct order of acidity of carboxylic acids?i) Cl$_{2}$CCOOH> Cl$_{2}$CHCOOH> ClCH$_{2}$COOHii) CH$_{3}$CH$_{2}$COOH>(CH$_{3}$)$_{2}$CHCOOH> (CH$_{3}$)$_{3}$CCOOHiii) F$_{2}$CHCOOH> FCH$_{2}$COOH>ClCH$_{2}$COOH A) (ii) and (iii). B) (i), (ii) and (iii). C) (i) and (ii). D) (i) and (iii). Show Answer Correct Answer: D) (i) and (iii). 10. A hydrocarbon contains ..... A) Hydrogen and oxygen. B) Hydrogen, carbon and oxygen. C) Hydrogen and carbon. D) Carbon only. Show Answer Correct Answer: C) Hydrogen and carbon. 11. What is the main product of dehydration of 2-propanol? A) 2-chloropropane. B) Propanone. C) Propanoic acid. D) Propene. Show Answer Correct Answer: D) Propene. 12. Electrons between 2 atoms are transferred and electronegativity > 1.7; the more electronegative atom owns the electrons A) Polar covalent. B) Ionic. C) Anion. D) Covalent. Show Answer Correct Answer: B) Ionic. 13. Macromolecule that is made up of repeated structure called monomers A) Protein. B) Amino acids. C) Polymer. D) None of the above. Show Answer Correct Answer: C) Polymer. 14. Which hydrocarbon is a liquid at room conditions? A) C$_{2}$H$_{6}$. B) C$_{4}$H$_{10}$. C) C$_{16}$H$_{34}$. D) C$_{18}$H$_{28}$. Show Answer Correct Answer: C) C$_{16}$H$_{34}$. 15. The Organic Chemistry is ..... A) The study of carbon compounds. B) The study of living organism chemicals. C) The study of oxides, sulfides and chlorides of carbon. D) The study of the group 14 compounds on the periodic table. Show Answer Correct Answer: A) The study of carbon compounds. 16. How many unpaired electrons does carbon have when it is excited? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: C) 4. 17. What is the correct term for a 50:50 mixture of two enantiomers? A) Cis/Trans Mixture. B) Mirror Image Mixture. C) Chiral Mixture. D) Racemic Mixture. Show Answer Correct Answer: D) Racemic Mixture. 18. HYBRIDISATION OF ALKYNES IS A) SP. B) SP3. C) SP2. D) SP3D. Show Answer Correct Answer: A) SP. 19. Which organic compound gives silver mirror reaction with Tollens Reagent and is source of energy for living things? A) Ethanol. B) Methane. C) Glucose. D) Glycerine. Show Answer Correct Answer: C) Glucose. 20. The steric number translates to the dehydration of the central atom A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. What is the cardinal rule when drawing bond-line structures? A) Never draw more than 4 bonds to a carbon atom (octet rule). B) When drawing single bonds, the direction in which the bonds are drawn is irrelevant. C) Hybridized atoms in a straight chain should be drawn in zig-zag form. D) When drawing double bonds, draw all bonds as far apart as possible. Show Answer Correct Answer: A) Never draw more than 4 bonds to a carbon atom (octet rule). 22. POSITIVE RESONANCE OR MESOMERIC EFFECTS PRESENT IN A) PHENOL. B) BENZOIC ACID. C) BENZALDEHYDE. D) NONE OF THE ABOVE. Show Answer Correct Answer: A) PHENOL. 23. Compound Q has the following properties.-soluble in water-boiling point is 78$^{0}$CWhat is compound Q A) Ethane. B) Ethene. C) Ethanol. D) Ethanoic acid. Show Answer Correct Answer: C) Ethanol. 24. A bond in which a pair of electrons is shared between two atoms A) Anion. B) Ionic. C) Covalent. D) Dipole-dipole. Show Answer Correct Answer: C) Covalent. 25. What are the required reagents / conditions for the reaction below?CH$_{3}$COOH $\rightarrow$ CH$_{3}$CH$_{2}$OH A) NaBH$_{4}$ / ether. B) P$_{4}$O$_{10}$. C) LiAlH$_{4}$ / ether. D) Dilute NH$_{3}$ / ether. Show Answer Correct Answer: C) LiAlH$_{4}$ / ether. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books