This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Whch of the following ions is the most resonance stabilised? A) Ethoxide. B) Butoxide. C) Phenoxide. D) Isopropoxide. Show Answer Correct Answer: C) Phenoxide. 2. Alkanes are known as saturated hydrocarbons because they contain only carbon-hydrogen single bonds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. What is the functional group in carboxylic acids? A) Alkyl group. B) Amino group. C) Hydroxyl group. D) Carboxyl group. Show Answer Correct Answer: D) Carboxyl group. 4. Hydrogenation of alkene results in the formation of A) Alkane. B) Alkyne. C) Propyne. D) Propene. Show Answer Correct Answer: A) Alkane. 5. Out of these which is aromatic? A) Benzene. B) Cyclohexane. C) Propane. D) Butene. Show Answer Correct Answer: A) Benzene. 6. Which compound is an isomer of CH$_{3}$CH$_{2}$OH? A) CH$_{3}$COOH. B) CH$_{3 }$CH$_{2}$CH3. C) CH$_{3}$OCH$_{3 }$. D) CH$_{3}$COCH$_{3}$. Show Answer Correct Answer: C) CH$_{3}$OCH$_{3 }$. 7. Branch of Chemistry which deals with C and its compounds are commonly called A) Organic chemistry. B) All of these. C) Inorganic chemistry. D) Physical chemistry. Show Answer Correct Answer: A) Organic chemistry. 8. What are the Aliphatic Hydrocarbons? A) Open chained carbon hydrogen organic compounds. B) Closed chained carbon hydrogen organic compounds. C) Straight chained carbon hydrogen and some other elements organic compounds. D) Closed chained carbon hydrogen and some other elements organic compounds. Show Answer Correct Answer: A) Open chained carbon hydrogen organic compounds. 9. Amino acids are joined by ..... bonds for form a protein. A) Hydrogen. B) Ionic. C) Covalent. D) Peptide. Show Answer Correct Answer: D) Peptide. 10. Functional group isomerism have different molecular formula but contains similar functional group. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. When writing names for organic compounds, 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. 12. Arseneous sulphide is ..... colloid A) Negative. B) Neutral. C) Positive. D) None of the above. Show Answer Correct Answer: A) Negative. 13. Carbon is found in the highest oxidation state in which of these classes of organic compounds? A) Carboxylic acids. B) Alcohols. C) Aldehydes. D) Alkynes. Show Answer Correct Answer: A) Carboxylic acids. 14. Which of the following cannot be oxidized by potassium dichromate? A) Propan-2-ol. B) 2-methylpropan-1-ol. C) Hexan-3-ol. D) 2-methylbutan-2-ol. Show Answer Correct Answer: D) 2-methylbutan-2-ol. 15. Who is the father of Chemistry? A) Hennig Brand. B) Dimitri Mendeleev. C) Antoine Lavoisier. D) Isaac Newton. Show Answer Correct Answer: C) Antoine Lavoisier. 16. Which of the following is used as a drying agent and is also hygroscopic? A) Water. B) Sodium chloride. C) Phosphorus pentoxide. D) Copper sulfate solution. Show Answer Correct Answer: C) Phosphorus pentoxide. 17. Carbon's atomic number is 6. It means that Carbon has A) 6 protons. B) 6 neutrons. C) 6 neutrinos. D) 6 bosons. Show Answer Correct Answer: A) 6 protons. 18. A condensation reaction: A) Adds water to a compound as a reactant. B) Produces water as a product. C) All the above. D) None of the above. Show Answer Correct Answer: B) Produces water as a product. 19. The organic compound mixed with ethanol to make it spurious is: A) Methanol. B) Methanoic acid. C) Methanal. D) Ethanoic acid. Show Answer Correct Answer: A) Methanol. 20. What are the required reagents / conditions for the reaction below?C$_{2}$H$_{4}$ $\rightarrow$ CH$_{3}$CH$_{2}$Br A) HBr. B) Br$_{2}$ / UV light. C) Br$_{2}$. D) Concentrated NH$_{3}$ / heat in sealed tube. Show Answer Correct Answer: A) HBr. 21. The functional group present in aldehyde A) -CHO. B) -COOH. C) -OH. D) -CO-NH$_{2}$. Show Answer Correct Answer: A) -CHO. 22. What is the name of the reaction that breaks down polymers into monomers? A) Condensation. B) Polymerization. C) Hydrolysis. D) Dehydration synthesis. Show Answer Correct Answer: C) Hydrolysis. 23. Sucrose on hydrolysis gives A) Glucose and galactose. B) Glucose and mannose. C) Lactose and mannose. D) Glucose and fructose. Show Answer Correct Answer: D) Glucose and fructose. 24. What is the number of electrons shared in the multiple carbon-carbon bond in one molecule of 1-pentyne? A) 6. B) 2. C) 3. D) 8. Show Answer Correct Answer: A) 6. 25. Fuel for ships A) Fuel oil. B) Petroleum. C) Diesel. D) Bitumen. Show Answer Correct Answer: A) Fuel oil. ← 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