This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Carbon has a valence of A) 6. B) 3. C) 8. D) 4. Show Answer Correct Answer: D) 4. 2. If you have a carbon chain of 7 carbons, What is the name? A) Eptano. B) Hexano. C) Heptano. D) Hebtano. Show Answer Correct Answer: C) Heptano. 3. Actual numbers of every type of molecule which is present in a compound is represented by A) Molecular formula. B) Empirical formula. C) Structural formula. D) Skeletal formula. Show Answer Correct Answer: A) Molecular formula. 4. The functional group present in alcohols is ..... A) -CO-. B) -COOH. C) -OH. D) -CO-NH$_{2}$. Show Answer Correct Answer: C) -OH. 5. Alkaline hydrolysis of Piperine gives A) Piperidine and piperic acid. B) Piperonylic acid. C) Piperic acid. D) Piperonal. Show Answer Correct Answer: A) Piperidine and piperic acid. 6. The prefix for a hydrocarbon with 4 carbons in the parent chain is A) Tetra. B) But. C) Quad. D) Prop. Show Answer Correct Answer: B) But. 7. What is product obtained when CH$_{3}$CH$_{2}$MgBr reacts with CH$_{3}$CH$_{2}$CHO? A) Pentan-3 ol. B) Pentan-2 ol. C) Pentan-1 ol. D) Pentan-2, 3 diol. Show Answer Correct Answer: B) Pentan-2 ol. 8. Heterolytic fission results in the formation of- A) Cations. B) Anions. C) Both cations and anions. D) None of the above. Show Answer Correct Answer: C) Both cations and anions. 9. IUPAC name of Formic acid A) Methenoic acid1. B) Carbonic acid1. C) Ethenoic acid2. D) None of the above. Show Answer Correct Answer: A) Methenoic acid1. 10. What is the formula for methane? A) CH$_{3}$. B) CH$_{4}$. C) CH$_{5}$. D) CH$_{3}$CH$_{3}$. Show Answer Correct Answer: B) CH$_{4}$. 11. Which term describes the formation of acetic acid from ethyl alcohol? A) Addition. B) Esterification. C) Netralization. D) Oxidation. Show Answer Correct Answer: D) Oxidation. 12. What is the formula of benzene? A) C6H6. B) C12H6. C) C6H13. D) C6H18. Show Answer Correct Answer: A) C6H6. 13. What is the general formula of the alkanes? A) N carbon atoms, 2n hydrogen atoms. B) 2n carbon atoms, n hydrogen atoms. C) N carbon atoms, n+2 hydrogen atoms. D) N carbon atoms, 2n+2 hydrogen atoms. Show Answer Correct Answer: D) N carbon atoms, 2n+2 hydrogen atoms. 14. Give the IUPAC name of this molecular formula C$_{6}$H$_{14}$ A) Hexane. B) Hexanol. C) Hexanoic Acid. D) Hexanal. Show Answer Correct Answer: A) Hexane. 15. Which type of formulas represents only the simplest ratio of the constituent atoms? A) Structural Formula. B) Empirical Formula. C) Molecular Formula. D) Condense Formula. Show Answer Correct Answer: B) Empirical Formula. 16. In organic chemistry, dashes separate ..... A) Numbers. B) Names from numbers. C) All the above. D) None of the above. Show Answer Correct Answer: B) Names from numbers. 17. The prefix for a chain of a hydrocarbon with six carbons A) Hex. B) Hexyl. C) Six. D) None of the above. Show Answer Correct Answer: A) Hex. 18. Which fuel would produce the LEAST smokiest flame when burnt? A) C$_{2}$H$_{4}$. B) C$_{3}$H$_{6}$. C) C$_{3}$H$_{8}$. D) C$_{4}$H$_{10}$. Show Answer Correct Answer: C) C$_{3}$H$_{8}$. 19. How many optical isomers are possible in a compound with one chiral carbon? A) 5. B) 4. C) 2. D) 3. Show Answer Correct Answer: D) 3. 20. Which bond is weaker and is more prone to chemical attacks? A) Pi bond. B) Sigma bond. C) All the above. D) None of the above. Show Answer Correct Answer: A) Pi bond. 21. Different features classified as homologous series A) General formula. B) Chemical reaction. C) Functional group. D) Physical properties. Show Answer Correct Answer: D) Physical properties. 22. Isomers with similar groups on the same side are called as '' trans" isomers. State true or false A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. What are the required reagents / conditions for the reaction below?CH$_{3}$CHO $\rightarrow$ CH$_{3}$CH$_{2}$OH A) NaBH$_{4}$ in ethanol / LiAlH$_{4}$ in ether. B) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$ / warm. C) CH$_{3}$COOH / concentrated H$_{2}$SO$_{4}$ / warm. D) Aqueous NaOH / warm. Show Answer Correct Answer: A) NaBH$_{4}$ in ethanol / LiAlH$_{4}$ in ether. 24. How many bonds can each carbon atom form? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 25. What is the product from the reaction between ethanol and ethanoic acid? A) Ethyl methanoate. B) Ethanol ethanolate. C) Ethyl benzoate. D) Ethyl ethanoate. Show Answer Correct Answer: D) Ethyl ethanoate. ← 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 10Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books