This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The organic compound having a double carbon-carbon bond is: A) $\mathrm{C_4H_{10}}$. B) $\mathrm{C_5H_{10}}$. C) $\mathrm{C_3H_4}$. D) $\mathrm{C_3H_8}$. Show Answer Correct Answer: B) $\mathrm{C_5H_{10}}$. 2. $_{}$Inductive effect of which atom is taken as zero to compare inductive effect of other atoms? A) Chlorine. B) Hydrogen. C) Oxygen. D) Carbon. Show Answer Correct Answer: B) Hydrogen. 3. ..... isomers occur when the types, number and bonds (connectivity) of the atoms are the same, but have a restricted rotation somewhere in a molecule. The common example is the double bond. A) Optical. B) Chain. C) Geometric. D) Position. Show Answer Correct Answer: C) Geometric. 4. This scientists said that there would be a promotion of an electron from a 2s orbital to a 2p orbital A) Jacon Berzelius. B) Linus Pauling. C) Michel Chevreul. D) Friedrich Wohler. Show Answer Correct Answer: B) Linus Pauling. 5. What element must be present in a compound to make it organic? A) Nitrogen and carbon. B) Nitrogen and phosphorous. C) Carbon. D) Carbon, oxygen and hydrogen. Show Answer Correct Answer: D) Carbon, oxygen and hydrogen. 6. Which of the following compound is carboxylic acid A) CH$_{3}$CHO. B) CH$_{3}$CH$_{2}$OH. C) CH$_{3}$OCH$_{3}$. D) CH$_{3}$COOH. Show Answer Correct Answer: D) CH$_{3}$COOH. 7. What are the required reagents / conditions for the reaction below?CH$_{3}$COOCH$_{2}$CH$_{3}$ $\rightarrow$ CH$_{3}$CH$_{2}$OH A) H$_{2}$O / H$_{3}$PO$_{4}$ catalyst / high pressure. B) Aqueous NaOH / warm (or aqueous H$_{2}$SO$_{4}$ / warm). C) NaBH$_{4}$ in ethanol / LiAlH$_{4}$ in ether. D) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$ / warm. Show Answer Correct Answer: B) Aqueous NaOH / warm (or aqueous H$_{2}$SO$_{4}$ / warm). 8. Cyanogen on hydrolysis will give A) Citric acid. B) Oxalic acid. C) Lactic acid. D) Phthalic acid. Show Answer Correct Answer: B) Oxalic acid. 9. Aniline on reaction with acetyl chloride in presence of anhydrous ZnCl2 will give A) Acetanilide. B) Acrylonitrile. C) Phenyl hydrazine. D) Diphenyl amine. Show Answer Correct Answer: A) Acetanilide. 10. Atoms most commonly bonded to carbon include: A) N, Cl, S, H, O. B) Na, Cl, O, H, Cl, Br, Se. C) Br, O, Xe, H, Na, Cl. D) N, O, H, F, Cl, Br, I. Show Answer Correct Answer: D) N, O, H, F, Cl, Br, I. 11. Hybridization involves following orbitals A) S and p. B) S, p and d. C) Only s. D) None of the above. Show Answer Correct Answer: B) S, p and d. 12. What is the pH level of an acid? A) 7.1-14. B) 14-21. C) 0-6.9. D) 7. Show Answer Correct Answer: C) 0-6.9. 13. Ethyl Alcohol mixed with water A) Soluble/Miscible. B) Insoluble/Immiscible. C) Slightly soluble/Slightly miscible. D) Undetermined result. Show Answer Correct Answer: A) Soluble/Miscible. 14. Cyclic imide of o-sulphobenzoic acid is A) Saccharin. B) Benzene sulphonyl chloride. C) Toluene sulphonic acid. D) Benzene sulphonic acid. Show Answer Correct Answer: A) Saccharin. 15. The weaker the intermolecular forces of a substance the ..... the boiling point A) Higher. B) Lower. C) All the above. D) None of the above. Show Answer Correct Answer: B) Lower. 16. Which compound is a structural isomer of Z-but-2-ene? A) Butane. B) E-but-2-ene. C) Cyclobutane. D) Methylbut-2-ene. Show Answer Correct Answer: C) Cyclobutane. 17. Which statements are correct for the reaction of ethene with bromine in the absence of ultraviolet light? I. It is an addition reaction.II. The organic product is colourless.III. The organic product is saturated. A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 18. Simple carbohydrates are called ..... ? A) Salt. B) Sugar. C) Coffee. D) Fats. Show Answer Correct Answer: B) Sugar. 19. All members of a homologous series are similar in terms of A) Structural formula. B) Molecular formula. C) Physical properties. D) Chemical properties. Show Answer Correct Answer: D) Chemical properties. 20. Which bond does carbon mostly form A) Hydrogen bond. B) Dipole-dipole. C) Covalent bond. D) None of the above. Show Answer Correct Answer: C) Covalent bond. 21. What is the first stage in the fractional distillation of crude oil? A) Heating, to vaporise the hydrocarbons. B) Heating, to make it a hot liquid. C) Cooling it. D) Separating the fractions. Show Answer Correct Answer: A) Heating, to vaporise the hydrocarbons. 22. Which type of formulas represents the simplest ratio of the constituent atoms in a compound? A) Structural formula. B) Empirical formula. C) Molecular formula. D) Condensed formula. Show Answer Correct Answer: B) Empirical formula. 23. What are the 4 main types of organic compounds? A) Carbon, hydrogen, sodium, fats. B) Carbohydrates, lipids, protein and nucleic acid. C) Fats, glycerol, wax, fructose. D) Monosaccharides, disaccharides, polysaccharides and oligosaccharides. Show Answer Correct Answer: B) Carbohydrates, lipids, protein and nucleic acid. 24. The root word for carbon 7 A) Sept. B) Hept. C) Oct. D) Non. Show Answer Correct Answer: B) Hept. 25. The most unstable conformer in cyclohexane? A) Boat. B) Chair. C) Twist boat. D) Half chair. Show Answer Correct Answer: D) Half chair. ← 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