This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Electrons shared between 2 atoms with electronegativity difference 0.5 < x < 1.7 A) Covalent. B) Cation. C) Ionic. D) Polar covalent. Show Answer Correct Answer: D) Polar covalent. 2. Alcohol +? $\rightarrow$ carboxylic acid A) Hydrogen. B) Oxygen (oxidising agent). C) Water. D) Carbon dioixde. Show Answer Correct Answer: B) Oxygen (oxidising agent). 3. The definition of matter is A) Has mass and takes up space. B) Has volume and temperature. C) Has weight and a specific Ph. D) None of the above. Show Answer Correct Answer: A) Has mass and takes up space. 4. Carboxylic acids on treating with P2O5 will give A) Acid anhydrides. B) Acid chloride. C) Esters. D) Amides. Show Answer Correct Answer: A) Acid anhydrides. 5. Keto-enol tautomerism take place in: A) Acidic medium. B) Basic Mediium. C) In neutral medium. D) Both acidic and basic medium. Show Answer Correct Answer: D) Both acidic and basic medium. 6. H atoms bonded structures because it is assumed that each C atom will posses enough H atoms to achieve an octet of electrons A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. Which of the following is not a hydrocarbon? A) Ethane. B) Ethene. C) Ethanol. D) Ethyne. Show Answer Correct Answer: C) Ethanol. 8. Which physical property of compounds are you taking advantage of when purifying a liquid mixture by distillation? A) Melting point. B) Boiling point. C) Freezing point. D) Sublimation point. Show Answer Correct Answer: B) Boiling point. 9. What is the IUPAC name for CH$_{3}$CH$_{2}$OH? A) Ethanol. B) Methanol. C) Propanol. D) Butanol. Show Answer Correct Answer: A) Ethanol. 10. What are the required reagents / conditions for the reaction below?CH$_{3}$CH$_{2}$Br $\rightarrow$ CH$_{3}$CH$_{2}$OH A) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$. B) Aqueous HCl / warm. C) Aqueous NaOH / warm. D) H$_{2}$ / Ni catalyst / 150$^{o}$C. Show Answer Correct Answer: C) Aqueous NaOH / warm. 11. IUPAC name of (CH$_{3}$)$_{3}$C-CH=CH$_{2}$ is A) 2, 2-dimethylpent-4-ene. B) Hex-1-ene. C) 2, 2-dimethylbut-3-ene. D) 3, 3-dimethylbut-1-ene. Show Answer Correct Answer: D) 3, 3-dimethylbut-1-ene. 12. The study of carbon-containing molecules and their reactions A) Inorganic chemistry. B) Organic chemistry. C) General chemistry. D) Advanced organic chemistry. Show Answer Correct Answer: B) Organic chemistry. 13. The increasing order of stability of the follwing free radicals is A) (C$_{6}$H$_{5}$)$_{3}$C<(C$_{6}$H$_{5}$)$_{2}$<(CH$_{3}$)$_{3}$C<(CH$_{3}$)$_{2}$CH. B) (C$_{6}$H$_{5}$)$_{2}$CH<(C$_{6}$H$_{5}$)$_{3}$C<(CH$_{3}$)$_{2}$CH. C) (CH$_{3}$)$_{2}$CH<(CH$_{3}$)$_{3}$C<(C$_{6}$H$_{5}$)$_{2}$CH< (C$_{6}$H$_{5}$)$_{3}$. D) (CH$_{3}$)CH<(CH$_{3}$)$_{3}$C<(C$_{6}$H$_{5}$)$_{3}$C<(C$_{6}$H$_{5}$)$_{2}$CH. Show Answer Correct Answer: C) (CH$_{3}$)$_{2}$CH<(CH$_{3}$)$_{3}$C<(C$_{6}$H$_{5}$)$_{2}$CH< (C$_{6}$H$_{5}$)$_{3}$. 14. I can have an alkene with only one carbon? A) Yes, obviously. B) No, What happen with you?. C) All the above. D) None of the above. Show Answer Correct Answer: B) No, What happen with you?. 15. Which of the following carbocation is more stable? A) Tertiary carbocation. B) Primary carbocation. C) Secondary carbocation. D) None of the above. Show Answer Correct Answer: A) Tertiary carbocation. 16. Most stable conformation of cyclohexane is A) Chair. B) Boat. C) Twist boat. D) Half chair. Show Answer Correct Answer: A) Chair. 17. Different fractions in crude oil are separated by: A) Cracking. B) Fractional Distillation. C) Filtration. D) Crystalisation. Show Answer Correct Answer: B) Fractional Distillation. 18. Hydrocarbons that contain at least one carbon-to-carbon double bond. A) Alkanes. B) Alkenes. C) Alkynes. D) None of the above. Show Answer Correct Answer: B) Alkenes. 19. Of an organic compound gave 2.6g of magnesium pyrophosphate. The percentage of phosphorous in the compound is A) 45.38%. B) 19.02%. C) 54.38%. D) 37.76%. Show Answer Correct Answer: A) 45.38%. 20. +I effect is shown by- A) -C$_{6}$H$_{5}$. B) -CH$_{3}$. C) -Cl. D) -COOH. Show Answer Correct Answer: B) -CH$_{3}$. 21. Attractive force between an H bond to an electronegative atom (N, O, or F) and a lone pair of another electronegative atom A) Dipole-dipole. B) Hydrogen bonding. C) Dispersion forces. D) London dispersion forces. Show Answer Correct Answer: B) Hydrogen bonding. 22. A structural isomer of pentane is? A) 2, 2-dimethyl octane. B) 2-methyl butane. C) 1-methyl propane. D) 1-methyl pentane. Show Answer Correct Answer: B) 2-methyl butane. 23. What property allows us to separate hydrocarbons during fractional distillation? A) Different hydrocarbons have different boiling points. B) Different hydrocarbons have different melting points. C) Different hydrocarbons are different colours. D) Some hydrocarbons have a positive charge and others have a negative charge. Show Answer Correct Answer: A) Different hydrocarbons have different boiling points. 24. The term organic compound was coined by whom? A) Marie Curie. B) Thomas Edison. C) Jons Jakob Berzelius. D) Gregor Johan Mendel. Show Answer Correct Answer: C) Jons Jakob Berzelius. 25. What are the required reagents / conditions for the reaction below? A) K$_{2}$Cr$_{2}$O$_{7}$ / aqueous H$_{2}$SO$_{4}$. B) Aqueous HCl / warm. C) Aqueous NaOH / warm. D) H$_{2}$ / Ni catalyst / 150$^{o}$C. Show Answer Correct Answer: C) Aqueous NaOH / warm. ← 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 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 10Class 11 Chemistry (Part Ii) Chapter 12 Organic Chemistry Basic Principles And Techniques Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books