This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a promoter A) It activates the reactoin. B) It activates the catalyst. C) It reduces density of hydrogen. D) None. Show Answer Correct Answer: B) It activates the catalyst. 2. If both the K and L shells are full, what would be the atomic number of that element? A) 14. B) 10. C) 16. D) 20. Show Answer Correct Answer: B) 10. 3. What type of interaction stabilizes secondary structural elements in proteins? A) Dispersion interactions. B) Ionic bonding. C) Hydrogen bonding. D) Dipole-dipole interactions. Show Answer Correct Answer: C) Hydrogen bonding. 4. A hydrogen fuel cell uses ..... as an external source of fuel. A) Oxygen Gas. B) Hydrogen gas. C) Ammonia Gas. D) None of the above. Show Answer Correct Answer: B) Hydrogen gas. 5. Which could be the pH of a solution whose H3 O+ ion concentration is less than the OH-ion concentration? A) 2. B) 3. C) 4. D) 9. Show Answer Correct Answer: D) 9. 6. Which is incorrect? A) It is not easily liquifiable. B) It is an oxidising agent. C) It is inflammable. D) It is lighgtest gas. Show Answer Correct Answer: B) It is an oxidising agent. 7. What are some common applications of hydrogen energy? A) Hydrogen is exclusively used for water purification processes. B) Common applications of hydrogen energy include fuel cells for transportation, power generation, industrial processes, and chemical production. C) Hydrogen energy is mainly utilized in traditional battery technology. D) Hydrogen is primarily used for cooking and heating. Show Answer Correct Answer: B) Common applications of hydrogen energy include fuel cells for transportation, power generation, industrial processes, and chemical production. 8. Metal hydrides must meet the following properties in order to be effective at releasing hydrogen except one. A) Must release a large amount of heat. B) Must be very stable against oxygen and moisture. C) Must be low-cost and very safe. D) Must require a low amount of energy. Show Answer Correct Answer: A) Must release a large amount of heat. 9. Which type of reaction is:NiCl$_{2}$ $\rightarrow$ Ni + Cl$_{2}$ A) Decomposition. B) Synthesis. C) Single Displacement. D) Double Displacement. Show Answer Correct Answer: A) Decomposition. 10. Which type of hydrogen storage has a higher storage density? A) Liquid hydrogen storage. B) Gaseous hydrogen storage. C) Metal hydride hydrogen storage. D) None of the above. Show Answer Correct Answer: C) Metal hydride hydrogen storage. 11. . Given the equation representing a reaction at equilibrium:NH3(g) + H2O(l) NH4+(aq) + OH-(aq)If an acid is defined as an H+ donor, what is the acid in the forward reaction? A) NH4+(aq). B) H2O(l). C) NH3(g). D) OH-(aq). Show Answer Correct Answer: B) H2O(l). 12. In laboratory preparation of HCl, ..... degree celcius is maintained to avoid glass crack. A) 100. B) 200. C) 300. D) None of the above. Show Answer Correct Answer: B) 200. 13. The atomic weight of Hydrogen is 1 even though it has 3 known naturally occurring isotopes. Which of these is closest to the reason why? A) Deuterium and Tritium are present in too low quantities to have an impact on the weighted average used for atomic weight. B) Since Protium has no neutron, the extra neutron in Tritium balances the atomic weight. C) None of these. D) Both of these. Show Answer Correct Answer: A) Deuterium and Tritium are present in too low quantities to have an impact on the weighted average used for atomic weight. 14. The element which like hydrogen has one valence electron A) O. B) Na. C) He. D) F. Show Answer Correct Answer: B) Na. 15. Which of the following oxide is the one of the neutral oxide? A) H$_{2}$O. B) Al$_{2}$O$_{3}$. C) Na$_{2}$O. D) NO$_{2}$. Show Answer Correct Answer: A) H$_{2}$O. 16. What is the substance that goes into the cathode? A) Oxygen. B) Hydrogen. C) Water. D) None of the above. Show Answer Correct Answer: A) Oxygen. 17. Why can ammonia gas be easily liquefied and helium can not? A) Ammonia has strong intermolecular forces of attraction. B) The critical temperature of ammonia is very high. C) Helium has weak intermolecular forces of attraction. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. Mixture of ..... is called water gas. A) Carbon & water. B) Carbon monoxide & hydrogen. C) Carbon dioxide & hydrogen. D) All the above. Show Answer Correct Answer: B) Carbon monoxide & hydrogen. 19. The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule. What is this attraction called? A) A hydrophobic bond. B) An ionic bond. C) A hydrophilic bond. D) A covalent bond. E) A hydrogen bond. Show Answer Correct Answer: E) A hydrogen bond. 20. What happens to the density of water upon freezing? A) It increases. B) It becomes zero. C) It decreases. D) It remains the same. Show Answer Correct Answer: C) It decreases. 21. Which fuel has a molecular weight of 46 g/mol? A) Hydrogen. B) Ethanol. C) Propane. D) Methane. Show Answer Correct Answer: B) Ethanol. 22. What is the nature of the oxide formed by hydrogen? A) Amphoteric. B) Basic. C) Acidic. D) Neutral. Show Answer Correct Answer: D) Neutral. 23. Which of the following statements is true regarding water's ability to dissolve ionic compounds? A) Water cannot dissolve ionic compounds. B) Water forms covalent bonds with ionic compounds. C) Water breaks ionic bonds through hydrolysis. D) Water surrounds and stabilizes ions through opposite charge interactions. Show Answer Correct Answer: D) Water surrounds and stabilizes ions through opposite charge interactions. 24. . As the pH of a solution is changed from 3 to 6, the concentration of hydronium ions A) Decreases by a factor of 1000. B) Decreases by a factor of 3. C) Increases by a factor of 3. D) Increases by a factor of 1000. Show Answer Correct Answer: A) Decreases by a factor of 1000. 25. Potassium carbonate and sodium carbonate cannot be decomposed by heat because A) They have high thermal stability. B) They decompose readily when heated. C) Potassium and sodium are unreactive metals. D) These carbonates are unreactive carbonates. Show Answer Correct Answer: A) They have high thermal stability. 26. When hair is dry, protein molecules in the hair structure form hydrogen bonds with ..... A) Water molecules, H$_{2}$O. B) Other protein molecules from another hair structure. C) Other protein molecules in the same hair structure. D) Water molecules, H$_{2}$O which also forms hydrogen bonds with protein molecules from another hair structure. Show Answer Correct Answer: C) Other protein molecules in the same hair structure. 27. Hardness of water may be temporary or permanent. Permanent hardness is due to the presence of A) Chlorides of Ca and Mg in water. B) Sulphites of Ca and Mg in water. C) Hydrogen carbonates of Ca and Mg in water. D) Carbonates of alkali metals in water. Show Answer Correct Answer: A) Chlorides of Ca and Mg in water. 28. Hydrogen bonds are very strong bonds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 29. WHat is the atomic symbol for Sodium? A) No. B) So. C) Na. D) Sa. Show Answer Correct Answer: C) Na. 30. Hydrogen by conversion of natural gas is ..... A) Black hydrogen. B) Blue hydrogen. C) Grey hydrogen. D) Green hydrogen. Show Answer Correct Answer: B) Blue hydrogen. 31. The hybridisation of oxygen atom is H$_{2 }$O and H$_{2}$O$_{2}$ are, respectively A) Sp and sp$^{3}$. B) Sp$^{3}$ and sp$^{3}$. C) Sp and sp$^{2}$. D) Sp and sp. Show Answer Correct Answer: B) Sp$^{3}$ and sp$^{3}$. 32. What materials are commonly used in hydrogen storage tanks? A) Plastic polymers. B) Glass fiber. C) Carbon fiber composites, aluminum, steel. D) Wood composites. Show Answer Correct Answer: C) Carbon fiber composites, aluminum, steel. 33. Range the following IMF'S in order from WEAKEST to STRONGESTDipole-Dipole, Hydrogen Bonding, London Dispersion, Ionic A) Ionic, H-bonding, Dipole-Dipole, London Dispersion. B) H-Bonding, Ionic, London Dispersion, Dipole-Dipole. C) Dipole-Dipole, H-Bonding, London Dispersion, Ionic. D) London Dispersion, Dipole-Dipole, H-Bonding, Ionic. Show Answer Correct Answer: D) London Dispersion, Dipole-Dipole, H-Bonding, Ionic. 34. Hydrogen was used for filling baloons. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 35. Determine the type of intermolecular force present in SiO$_{2}$. A) Dipole dipole. B) Dispersion. C) Ionic. D) Covalent network. Show Answer Correct Answer: D) Covalent network. 36. When the pH of a solution changes from a pH of 5 to a pH of 3, the hydronium ion concentration is A) 0.1 of the original content. B) 100 times the original content. C) 0.01 of the original content. D) 10 times the original content. Show Answer Correct Answer: B) 100 times the original content. 37. What is the most common element in the Universe? A) Hydrogen. B) Helium. C) Oxygen. D) Carbon. Show Answer Correct Answer: A) Hydrogen. 38. What modification is necessary for a gas turbine to run on hydrogen? A) Combustor. B) Larger blades. C) Cooling system. D) Generator shaft. Show Answer Correct Answer: A) Combustor. 39. What is one of the challenges of the mass adoption of hydrogen ICE? A) Lack of available infrastructure. B) High cost of hydrogen fuel. C) Incompatibility with existing vehicles. D) Limited power output. Show Answer Correct Answer: B) High cost of hydrogen fuel. 40. BALMER SERIES IS BELONG TO A) Visible radiation. B) Uv radiation. C) Gamma radiation. D) All are correct. Show Answer Correct Answer: A) Visible radiation. 41. Which of the following hydrides is electron-precise hydride? A) NH$_{3}$. B) B$_{2}$H$_{6}$. C) H$_{2}$O. D) CH$_{4}$. Show Answer Correct Answer: D) CH$_{4}$. 42. Which is both oxidising as well as reducing? A) Sulphur dioxide. B) Carbon monoxide. C) Zn. D) Sulphuric acid. Show Answer Correct Answer: A) Sulphur dioxide. 43. What is the chemical symbol for Hydrogen? A) O. B) He. C) C. D) H. Show Answer Correct Answer: D) H. 44. Hydrogen is active at ordinary temperatures. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 45. A 30% sol$^{n}$ of H2O2 is marketed as ..... hydrogen peroxide A) 90 volume. B) Nahi bechta re mein hydrogen peroxide. C) 100 volume. D) 30 volume. Show Answer Correct Answer: C) 100 volume. 46. Hydrogen bonds occur when hydrogen is bonded to highly ..... atoms like nitrogen, oxygen, or fluorine. A) Electronegative. B) Tendency. C) Electropositive. D) Attraction. Show Answer Correct Answer: A) Electronegative. 47. How do hydrogen bonds influence the behavior of surfactants? A) Hydrogen bonds increase water surface tension and destabilize emulsions. B) Hydrogen bonds make surfactants less effective in reducing surface tension. C) Hydrogen bonds have no effect on surfactants' behavior in solutions. D) Hydrogen bonds help surfactants reduce water surface tension and stabilize emulsions. Show Answer Correct Answer: D) Hydrogen bonds help surfactants reduce water surface tension and stabilize emulsions. 48. How do hydrogen bonds contribute to the formation of ice? A) Hydrogen bonds prevent the formation of a solid structure in ice. B) Hydrogen bonds create a hexagonal lattice in ice, making it less dense than liquid water. C) Hydrogen bonds cause ice to be denser than liquid water. D) Hydrogen bonds break down the structure of ice, making it unstable. Show Answer Correct Answer: B) Hydrogen bonds create a hexagonal lattice in ice, making it less dense than liquid water. 49. Ammonium ion (NH$_{4}$$^{+}$) is an example for A) Covalent compound. B) Coordinate compound. C) Ionic compound. D) Metallic compound. Show Answer Correct Answer: B) Coordinate compound. 50. A gas having rotten egg smell A) Hydrogen. B) Nitrogen dioxide. C) Sulphur dioxide. D) Hydrogen sulphide. Show Answer Correct Answer: D) Hydrogen sulphide. 51. Water has a very strong hydrating tendency. This is due to ..... A) Very high dielectric constant. B) Low dielectric constant. C) Dielectric constant. D) High dielectric constant. Show Answer Correct Answer: D) High dielectric constant. 52. The boiling points of water and ammonia are 373 K and 240 K respectively. The boiling point of water is higher than that of ammonia because A) Oxygen is less electronegative than nitrogen. B) The O-H bond in H$_{2}$O is stronger than the N-H bond in NH$_{3}$. C) A water molecule has a larger size than an ammonia molecule. D) The hydrogen bonds between water molecules are stronger than the hydrogen bonds between ammonia molecules. Show Answer Correct Answer: D) The hydrogen bonds between water molecules are stronger than the hydrogen bonds between ammonia molecules. 53. Propane is a gas at room temperature, while bromine is a liquid at room temperature. Which statement correctly explains these observations? A) Bromine has greater molecular polarity than propane does. B) Bromine has weaker intermolecular forces than propane does. C) Bromine has weaker molecular polarity than propane does. D) Bromine has stronger intermolecular forces than propane does. Show Answer Correct Answer: D) Bromine has stronger intermolecular forces than propane does. 54. Zinc hydroxide is ..... in nature A) Neutral. B) Amphoteric. C) Acidic. D) None of the above. Show Answer Correct Answer: B) Amphoteric. 55. Name the fuel cell which uses methanol as the fuel. A) PAFC. B) DMFC. C) AFC. D) None of the above. Show Answer Correct Answer: B) DMFC. 56. Iron reacting with water to produce Hydrogen gas-explain the condition required. A) Red hot Iron+ cold water. B) Iron+ cold water. C) Red hot Iron+ Steam. D) Iron + boiling water. Show Answer Correct Answer: C) Red hot Iron+ Steam. 57. A metal that react reversibly with steam A) Fe. B) Mg. C) Na. D) Zn. Show Answer Correct Answer: A) Fe. 58. How does the Bohr model account for the line spectrum of hydrogen? A) By assuming electrons can have any energy. B) By assuming electrons are always in the ground state. C) By assuming electrons can only occupy certain energy levels. D) By assuming electrons emit light only when they collide. Show Answer Correct Answer: C) By assuming electrons can only occupy certain energy levels. 59. Maximum number of hydrogen bonding in water is A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 60. The hybridization of oxygen atom in H2O2 is: A) Sp3. B) Sp2. C) Sp. D) Sp3d. Show Answer Correct Answer: A) Sp3. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 6Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 7Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books