This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During the distillation of crude oil, petroleum compounds are separated according to the difference in their ..... A) Boiling point. B) Density. C) Unsaturation. D) Mass. Show Answer Correct Answer: A) Boiling point. 2. Dithiane is used to: A) Adding alkyl group at alpha position of carbonyl gp. B) Adding acyl group at alpha position of carbonyl gp. C) Adding halide group at alpha position of carbonyl gp. D) Both alkyl and acyl gp at alpha position of carbonyl gp. Show Answer Correct Answer: D) Both alkyl and acyl gp at alpha position of carbonyl gp. 3. A polar molecule will have A) A difference in electronegativity. B) The same electronegativity. C) Symmetry. D) None of the above. Show Answer Correct Answer: A) A difference in electronegativity. 4. What determines the properties of hydrocarbons A) BP. B) Molecular structure. C) MP. D) None of the above. Show Answer Correct Answer: B) Molecular structure. 5. What is kerosene used for? A) Fuel for ships. B) Fuel for lorries. C) Fuel for airplanes. D) Making roads. Show Answer Correct Answer: C) Fuel for airplanes. 6. Oxidation of phthalimide with aqueous sodium hydroxide will give A) Anthranilic acid. B) Coumarin. C) Lactic acid. D) Citric acid. Show Answer Correct Answer: A) Anthranilic acid. 7. Carbon able to form tetravalence bonding because A) It has four electrons. B) It has four valence electrons. C) The ability to form covalent bonding. D) The ability to form multiple bonding types. Show Answer Correct Answer: B) It has four valence electrons. 8. CnH2n+2 is used for the A) Molecular formula. B) Skeletal formula. C) Complete formula. D) None of the above. Show Answer Correct Answer: A) Molecular formula. 9. Term used to refer to probability of finding an electron (the orbital shape is 90-95% of the space where an electron "probably" is) A) Electron orbital. B) Electron shell. C) Electron cloud. D) Electron density. Show Answer Correct Answer: D) Electron density. 10. Hemiacetal formation is: A) Aldehydes undergo addition reactions with alcohol. B) Ketone undergo addition reactions with alcohol. C) Ether undergo addition reactions with alcohol. D) Aldehydes and Ketone undergo addition reactions with alcohol. Show Answer Correct Answer: D) Aldehydes and Ketone undergo addition reactions with alcohol. 11. The simplest organic compounds are the hydrocarbons. Hydrocarbons are made of ..... A) Carbon and hydrogen only. B) Carbon, oxygen and hydrogen. C) Carbon, nitrogen, oxygen and hydrogen. D) Carbon and nitrogen only. Show Answer Correct Answer: A) Carbon and hydrogen only. 12. Hydroxy group (OH) normally will give broad band at FTIR region A) 2750-2850 cm-1. B) 1650-1800 cm-1. C) 3000-3600 cm-1. D) 3600-4000 cm-1. Show Answer Correct Answer: C) 3000-3600 cm-1. 13. Pi bonds are stronger than sigma bonds A) True. B) Fasle. C) All the above. D) None of the above. Show Answer Correct Answer: B) Fasle. 14. Name the fifth member of the Alkynes series A) Pentane. B) Pentene. C) Pentyne. D) None of the above. Show Answer Correct Answer: C) Pentyne. 15. The following is a type of structural isomerism, EXCEPT: A) Optical isomer. B) Chain isomer. C) Position isomer. D) Functional group isomer. Show Answer Correct Answer: A) Optical isomer. 16. Which of these substances is synthetic? A) Sugar. B) Plastic. C) Kerosene. D) RNA. Show Answer Correct Answer: B) Plastic. 17. What is the correct name?C-C-C-C=C-C-C-C-C=C-C A) 9-Ino, 4 Undeceno. B) 7-eno, 2-ino Undecano. C) 7-eno, 2 Undecino. D) Is a mistake. Show Answer Correct Answer: C) 7-eno, 2 Undecino. 18. Which of the compounds shown are in the same homologous series?1 CH3OH2 CH3CH2OH3 CH3COOH4 CH3CH2CH2OH A) 1, 2 and 3. B) 1, 2 and 4. C) 1, 3 and 4. D) 2, 3 and 4. Show Answer Correct Answer: B) 1, 2 and 4. 19. The study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds (a) A) A. Organic chemistry. B) Catacoustics. C) Abyssal. D) Gluon. Show Answer Correct Answer: A) A. Organic chemistry. 20. Which of the following prefixes represents "7" ? A) Prop-. B) But-. C) Hept-. D) Pent-. Show Answer Correct Answer: C) Hept-. 21. What is the IUPAC name for CH3CH2CH2CH3? A) Methane. B) Ethane. C) Propane. D) Butane. Show Answer Correct Answer: D) Butane. 22. Which of the following statement is INCORRECT about electrophiles? A) Electrophiles are positively charged or neutral species having vacant orbitals. B) The electrophiles are attacked by the most electron-populated part of one nucleophile. C) Electrophiles are Lewis base. D) -NO$_{2}$ and-CH$_{3}$ are examples of electrophiles. Show Answer Correct Answer: C) Electrophiles are Lewis base. 23. What does this make them useful for? A) Lubricants. B) Fuels. C) Plastics. D) Feedstock. Show Answer Correct Answer: B) Fuels. 24. Freshly prepared solution of sodium nitroprusside is added to the sodium extract. Appearance of deep voilet colouf indicates the presence of A) Halogen. B) Sulphur. C) Both nitrogen and sulphur. D) Nitrogen. Show Answer Correct Answer: B) Sulphur. 25. Carbon compounds which has only single bonds are called A) Saturated compounds. B) Methane. C) Unsaturated compounds. D) Butane. Show Answer Correct Answer: A) Saturated compounds. ← 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 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 10Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books