This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the most common oxidation state of hydrogen? A) +1. B) +2. C) +3. D) -2. Show Answer Correct Answer: A) +1. 2. Vapour density of HCl is ..... A) 18.24. B) 19.25. C) 18.25. D) None of the above. Show Answer Correct Answer: C) 18.25. 3. What are the environmental benefits of geothermal energy? A) Geothermal energy reduces greenhouse gas emissions, has a smaller land footprint, and provides stable energy supply. B) Geothermal energy increases air pollution. C) Geothermal energy requires large amounts of water. D) Geothermal energy is only available in tropical regions. Show Answer Correct Answer: A) Geothermal energy reduces greenhouse gas emissions, has a smaller land footprint, and provides stable energy supply. 4. Reaction between hydrogen and nitrogen gives A) Ammonia. B) Ammonium. C) Ash. D) None of the above. Show Answer Correct Answer: A) Ammonia. 5. What is hydrogen primarily considered in the context of future energy? A) A type of fossil fuel. B) A form of water. C) An energy carrier. D) A primary energy source. Show Answer Correct Answer: C) An energy carrier. 6. Polar molecules tend to have lower boiling points than nonpolar molecules. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Polar molecules have A) No charges. B) Slight positive and negative charges on opposite ends of the molecules. C) Only positive charges. D) Either positive or negative charges, but not both. Show Answer Correct Answer: B) Slight positive and negative charges on opposite ends of the molecules. 8. What are the two main types of hydrogen bonds? A) Covalent and Ionic bonds. B) Polar and Nonpolar bonds. C) Single and Double bonds. D) Intermolecular and Intramolecular hydrogen bonds. Show Answer Correct Answer: D) Intermolecular and Intramolecular hydrogen bonds. 9. Density of ice is ..... than waterdue to ..... bonding. A) Higher, hydrogen bonding. B) Lower, hydrogen bonding. C) Similar to, hydrogen bonding. D) All the above. Show Answer Correct Answer: B) Lower, hydrogen bonding. 10. Non-stoichiometric hydrides are formed by ..... A) Pa, V. B) C, Ni. C) Mn, Li. D) N, Cl. Show Answer Correct Answer: A) Pa, V. 11. What are the advantages of using geothermal energy? A) Advantages of using geothermal energy include low emissions, reliability, small land footprint, and job creation. B) Large land requirements. C) High water usage. D) Inconsistent energy supply. Show Answer Correct Answer: A) Advantages of using geothermal energy include low emissions, reliability, small land footprint, and job creation. 12. The atomic hydrogen is produced at a high temperature in an electric arc or under ultraviolet radiation. Why? A) Because it is inert at room temperature due to high H-H bond enthalpy. B) Because it is inert at room temperature due to low H-H bond enthalpy. C) Because it is reactive at room temperature due to high H-H bond enthalpy. D) Because it is reactive at room temperature due to very high H-H bond enthalpy. Show Answer Correct Answer: A) Because it is inert at room temperature due to high H-H bond enthalpy. 13. Which of the alkali metals is having least melting point A) Na. B) K. C) Rb. D) Cs. Show Answer Correct Answer: D) Cs. 14. The metallic oxide formed with iron reacts reversibly with water A) Magnetite. B) Iron(II) oxide. C) Iron (III) oxide. D) None of the above. Show Answer Correct Answer: A) Magnetite. 15. Solution A has a pH of 3 and solution Z has a pH of 6. How many times greater is the hydronium ion concentration in solution A than the hydronium ion concentration in solution Z? A) 100. B) 3. C) 2. D) 1000. Show Answer Correct Answer: D) 1000. 16. The process of Coal gasification is used to form ..... A) Mustard gas. B) Water gas. C) Syngas. D) Non of these. Show Answer Correct Answer: C) Syngas. 17. Which of the following determines the chemical properties? A) Number of protons. B) Number of electrons. C) Number of neutrons. D) None of these. Show Answer Correct Answer: B) Number of electrons. 18. Partial oxidation is an exothermic reaction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. What is the strongest kind of intermolecular forces that occurs between molecules of NH$_{3}$? A) Hydrogen bonding. B) Dipole-Dipole forces. C) London dispersion forces. D) None of the above. Show Answer Correct Answer: A) Hydrogen bonding. 20. Which component of a hydrogen fuel cell is responsible for splitting hydrogen molecules into protons and electrons? A) Electrolyte. B) Anode. C) Cathode. D) Membrane. Show Answer Correct Answer: B) Anode. 21. As 0.1 M HCl is added to 0.1 M KOH, the pH of the basic solution A) Decreases and basicity decreases. B) Increases and basicity decreases. C) Decreases and basicity increases. D) Increases and basicity increases. Show Answer Correct Answer: A) Decreases and basicity decreases. 22. Where are hydrogen bonds in nucleic acids? A) Between carbons in sugar ring. B) Between nitrogenous bases. C) Between nucleotides. D) Between phosphates. Show Answer Correct Answer: B) Between nitrogenous bases. 23. The model used to describe and explain the bonding and arrangement of atoms in a solid metal is the A) Ball and stick model. B) Electron sea model. C) Metalloid model. D) Valence shell electron pair repulsion theory. Show Answer Correct Answer: B) Electron sea model. 24. What is the primary reason for the high boiling point of water compared to other group 16 hydrides? A) Hydrogen bonding. B) Ionic bonding. C) Covalent bonding. D) Metallic bonding. Show Answer Correct Answer: A) Hydrogen bonding. 25. In a hydrogen fuel cell, what is the role of the electrolyte? A) To conduct electricity. B) To separate hydrogen and oxygen gases. C) To facilitate the movement of ions. D) To store energy. Show Answer Correct Answer: C) To facilitate the movement of ions. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 1Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 2Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 3Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 4Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 5Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 7Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 8Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 9Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 10Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books