This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One of the products of hydrogen fuel cells are A) Water. B) Carbon dioxide. C) Hydrogen. D) Oxygen. Show Answer Correct Answer: A) Water. 2. Which of the following statements are correct?(1) On decomposition of H$_{2}$O$_{2}$, O$_{2}$ gas is released.(2) 2-ethylanthraquinol is used in the preparation of H$_{2}$O$_{2}$(3) On heating KClO$_{3}$, Pb(NO$_{3}$)$_{2}$, NaNO$_{3}$, O$_{2}$ gas is released.(4) In the preparation of sodium peroxoborate, H$_{2}$O$_{2}$ is treated with sodium metaborate. A) 1, 2, 3, 4. B) 1, 2, 4. C) 2, 3, 4. D) 1, 2, 3. Show Answer Correct Answer: A) 1, 2, 3, 4. 3. Beryllium and aluminium exhibit many properties which are similar. But the two elements differ in A) Forming polymeric hydrides. B) Exhibiting maximum covalency in compound. C) Forming covalent halides. D) Exhibiting amphoteric nature in their oxides. Show Answer Correct Answer: B) Exhibiting maximum covalency in compound. 4. How many Neutrons does Tritium has? A) 2. B) 0. C) 4. D) 1. Show Answer Correct Answer: A) 2. 5. Which property of water allows it to have a high surface tension? A) Cohesion. B) Adhesion. C) Viscosity. D) Density. Show Answer Correct Answer: A) Cohesion. 6. Electrons move along the external circuit, from cathode to anode A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 7. Hydrogen is safe? A) True. B) False. C) Only when used and stored correctly. D) None of the above. Show Answer Correct Answer: C) Only when used and stored correctly. 8. The process of converting H2O to hydrogen is called? A) Electrolysis. B) Boiling. C) Super heating. D) Electro separation. Show Answer Correct Answer: A) Electrolysis. 9. What is the primary function of a hydrogen fuel cell? A) To store hydrogen gas. B) To convert hydrogen into electricity. C) To produce hydrogen gas. D) To convert water into hydrogen. Show Answer Correct Answer: B) To convert hydrogen into electricity. 10. Temperature usually increases when water condenses. Which behavior of water is most directly responsible for this phenomenon? A) The change in density when it condenses to form a liquid or. B) The high surface tension of water. C) The release of heat by the formation of hydrogen bonds. D) The release of heat by the breaking of hydrogen bonds. E) Reactions with other atmospheric compounds. Show Answer Correct Answer: C) The release of heat by the formation of hydrogen bonds. 11. What do you call a stream of protons (or the movement of electrons) A) Fossil fuels. B) Protons. C) Electricity. D) None of the above. Show Answer Correct Answer: D) None of the above. 12. The compounds of hydrogen is A) A) water. B) B) hydrogen peroxide. C) C) all the above. D) None of the above. Show Answer Correct Answer: C) C) all the above. 13. What type of interaction is a hydrogen bond? A) A covalent bond. B) A strong ionic interaction. C) A weak chemical interaction. D) A permanent dipole interaction. Show Answer Correct Answer: C) A weak chemical interaction. 14. London dispersion forces are stronger in heavier atoms or molecules, and weaker in lighter atoms or molecules. Which of these has the strongest London dispersion forces? A) Cl$_{2}$. B) Br$_{2}$. C) F$_{2}$. D) I$_{2}$. Show Answer Correct Answer: D) I$_{2}$. 15. Which is false about H202 A) Two OH bond lies on the same plane. B) Acts as oxidizing as well as reducing agent. C) Can be oxidized by O3. D) Pale blue liquid. Show Answer Correct Answer: A) Two OH bond lies on the same plane. 16. What group and period is Sodium in. A) Group 1, period 3. B) Group 2, period 2. C) Group 1, period 4. D) Group 1, period 2. Show Answer Correct Answer: A) Group 1, period 3. 17. The energy levels that are related with the electron transition which liberates the highest energy of the H atom is, A) N=4 to n=3. B) N=6 to n=2. C) N=2 to n=1. D) N=4 to n=2. E) N=7 to n=5. Show Answer Correct Answer: C) N=2 to n=1. 18. How does hydrogen bonding influence the viscosity of liquids? A) Hydrogen bonding decreases the viscosity of liquids by reducing intermolecular forces. B) Hydrogen bonding makes liquids less dense, affecting viscosity. C) Hydrogen bonding increases the viscosity of liquids by enhancing intermolecular attractions. D) Hydrogen bonding has no effect on the viscosity of liquids. Show Answer Correct Answer: C) Hydrogen bonding increases the viscosity of liquids by enhancing intermolecular attractions. 19. What type of reaction is the industrial method of steam reformer process to produce hydrogen? A) Decomposition reaction. B) Single displacement reaction. C) Double displacement reaction. D) Addition reaction. Show Answer Correct Answer: D) Addition reaction. 20. One would expect proton to have very large A) Hydration energy. B) Charge. C) Radius. D) Ionization potential. Show Answer Correct Answer: A) Hydration energy. 21. What is the expected outcome of Cummins' hydrogen-fueled engine development program? A) Decreased demand for hydrogen infrastructure. B) Increased CO2 emissions. C) Realizing mass adoption of environmentally sustainable solutions. D) Reduced fuel efficiency. Show Answer Correct Answer: A) Decreased demand for hydrogen infrastructure. 22. Which of the following metals reacts with cold water to produce hydrogen? A) Iron. B) Sodium. C) Copper. D) Lead. Show Answer Correct Answer: B) Sodium. 23. What is the main difference between Grey hydrogen and Blue hydrogen? A) The energy density. B) Carbon capture. C) The color. D) The storage method. Show Answer Correct Answer: B) Carbon capture. 24. Name the substance that goes into the anode A) Water. B) Oxygen. C) Hydrogen. D) None of the above. Show Answer Correct Answer: C) Hydrogen. 25. H2S + Cl2 $\rightarrow$ HCl + SSubstance reduced is? A) H2S. B) Cl2. C) S. D) HCl. Show Answer Correct Answer: B) Cl2. 26. Elements of which of the following groups of periodic table do not form hydrides. A) Groups 7, 8, 9. B) Group 14. C) Group 13. D) Group 15, 16, 17. Show Answer Correct Answer: A) Groups 7, 8, 9. 27. ..... metals or oxides are substances which react with both acids and bases. A) Amphinitic. B) Amphibian. C) Amphoteric. D) Universal. Show Answer Correct Answer: C) Amphoteric. 28. Only one element of ..... forms hydride. A) Group 8. B) Group 7. C) Group 9. D) Group 6. Show Answer Correct Answer: D) Group 6. 29. What type of bond is found in water molecules? A) Hydrogen. B) Van der Waals. C) Covalent. D) Ionic. Show Answer Correct Answer: C) Covalent. 30. Name the following:-Hydrogen reacts with vegetable oil to form this. A) Rocket Fuel. B) Ammonia. C) Oxyacetylene flame. D) Vanaspati Ghee. E) Electricity. Show Answer Correct Answer: D) Vanaspati Ghee. 31. Passing electric current through aqueous solution/ molten state to form ions A) Electrolysis. B) Electrolyte. C) Non electrolyte. D) None of the above. Show Answer Correct Answer: A) Electrolysis. 32. What is the maximum number of hydrogen bonds one molecule of water can form? A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: B) 4. 33. Water property responsible for evaporative cooling A) Adhesion and cohesion. B) Less dense as solid. C) Specific heat. D) Surface tension. Show Answer Correct Answer: C) Specific heat. 34. Fill in the blanks:-On passing an electric current through acidified water it dissociates into Hydrogen ions and ..... ions. A) Ammonium (NH$_{4}$$^{+}$). B) Sulfate (SO$_{4}$$^{-2}$). C) Oxygen (O$^{-}$). D) Hydroxyl (OH$^{-}$). Show Answer Correct Answer: D) Hydroxyl (OH$^{-}$). 35. What role does compression play in hydrogen transfer? A) Decreases the volume of hydrogen for transport. B) Increases the temperature of hydrogen for easier handling. C) Changes the color of hydrogen for identification. D) Increase hydrogen density and easier to transfer via pipelines. Show Answer Correct Answer: D) Increase hydrogen density and easier to transfer via pipelines. 36. Which method used to remove temporary hardness of water is A) Clark's method. B) Ion-exchange method. C) Synthetic resins method. D) Calgon's method. Show Answer Correct Answer: A) Clark's method. 37. Calgon is used as water softening agent because it A) Forms soluble complexes with cationic species. B) Forms soluble complexes with anionic species. C) Forms soluble complexes with both cationic and anionic species. D) Forms precipitate with cationic species. Show Answer Correct Answer: A) Forms soluble complexes with cationic species. 38. C + H2O $\rightarrow$ CO + H2 the given reaction represents A) Passing stream over red hot coke. B) Water gas shift reaction. C) All the above. D) None of the above. Show Answer Correct Answer: A) Passing stream over red hot coke. 39. Which one of the following processes will produce hard water? A) Saturation of water with MgCO$_{3}$. B) Addition of Na$_{2}$SO$_{4}$ to water. C) Saturation of water with CaSO$_{4}$. D) Saturation of water with CaCO$_{3}$. Show Answer Correct Answer: C) Saturation of water with CaSO$_{4}$. 40. What is False about ice- A) A water molecule form 4 H-Bond. B) It is a thermal insulator. C) Its density is less than water. D) Its density is more than water. Show Answer Correct Answer: D) Its density is more than water. 41. When was first Hydrogen fueled cell invented? A) 1939. B) 1839. C) 2020. D) 1847. Show Answer Correct Answer: B) 1839. 42. Addition of hydrogen to vegetable oil to get vanaspati ghee in presence of catalyst A) Hydrogenation. B) Catalytic hydrogenation. C) Catalysis. D) None of the above. Show Answer Correct Answer: B) Catalytic hydrogenation. 43. Opposites attract A) Polar molecule. B) Solubility. C) State of matter. D) Hydrogen bonding. Show Answer Correct Answer: D) Hydrogen bonding. 44. Is salt soluble in hot water but in soluble in cold water A) Sodium chloride. B) Potassium chloride. C) Aluminium chloride. D) Lead chloride. Show Answer Correct Answer: D) Lead chloride. 45. What is the role of hydrogen bonding in the structure of ice? A) It results in ice having a high melting point. B) It leads to a hexagonal lattice structure. C) It causes ice to be denser than liquid water. D) It makes ice a good conductor of electricity. Show Answer Correct Answer: B) It leads to a hexagonal lattice structure. 46. Which is the next strongest intermolecular force, after hydrogen bonding? A) Ion-ion attraction. B) London dispersion forces. C) Ion-dipole attraction. D) Dipole-dipole attraction. Show Answer Correct Answer: D) Dipole-dipole attraction. 47. C+ H$_{2}$O$\rightarrow$ CO + H$_{2}$2. CO + H$_{2}$O $\rightarrow$ CO$_{2}$ + 2H$_{2}$$_{These reactions are respectively:}$ A) Exothermic and endothermic. B) Endothermic. C) Exothermic. D) Endothermic and exothermic. Show Answer Correct Answer: D) Endothermic and exothermic. 48. Water has a neutral because A) It has more H+ ions than OH-. B) It has more OH-ions than H+. C) It does not produce any ions. D) It has an equal amount of H+ and OH-in solution. Show Answer Correct Answer: D) It has an equal amount of H+ and OH-in solution. 49. Which of the following properties of water enables molecules to cling together as they move from the roots to the leaves of plants? A) Water expands as it freezes. B) Water is an excellent solvent. C) Water exhibits cohesive behavior. D) Water moderates temperature. Show Answer Correct Answer: C) Water exhibits cohesive behavior. 50. The colour of ammmonia solution of alkali & alkaline earth metal is due to ..... A) Ammoniated atoms. B) Ammoniated ions. C) Ammoniated electrons. D) All the above. Show Answer Correct Answer: C) Ammoniated electrons. 51. What property of water is responsible for aquatic life surviving winter? A) Less Dense as Solid. B) Adhesion. C) Evaporative Cooling. D) Cohesion. Show Answer Correct Answer: A) Less Dense as Solid. 52. Contains impurity copper which acts as a catalyst. A) Granulated zinc. B) Sodium. C) Aluminium. D) None of the above. Show Answer Correct Answer: A) Granulated zinc. 53. How do hydrogen fuel cells work? A) Hydrogen fuel cells operate by splitting water into hydrogen and oxygen using solar energy. B) Hydrogen fuel cells generate energy by burning hydrogen in a combustion process. C) Hydrogen fuel cells produce electricity by using batteries to store hydrogen gas. D) Hydrogen fuel cells work by converting hydrogen and oxygen into electricity, water, and heat through an electrochemical reaction. Show Answer Correct Answer: D) Hydrogen fuel cells work by converting hydrogen and oxygen into electricity, water, and heat through an electrochemical reaction. 54. Selectionof material is one of the key aspectto adapt underground storage technologies tothe storage of hydrogen: A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 55. A molecule is a group of atoms held together with ..... that acts as an independent unit. A) Covalent bonds. B) Ionic bonds. C) Metallic bonds. D) Isotopic bonding. Show Answer Correct Answer: A) Covalent bonds. 56. At what temperature does catalase activity peak? A) 0 degrees Celsius. B) 37 degrees Celsius. C) 20 degrees Celsius. D) 100 degrees Celsius. Show Answer Correct Answer: B) 37 degrees Celsius. 57. Why do molecules like water have higher boiling points than expected? A) Because of hydrogen bonds. B) Because they are non-polar. C) Due to their low molar mass. D) Due to their ionic nature. Show Answer Correct Answer: A) Because of hydrogen bonds. 58. What is the molarity of Potassium Hydroxide, KOH, if 86.0 mL of the solution is titrated to the endpoint with 54.7 mL of 0.34 M Phosphoric Acid (H$_{3}$PO$_{4}$)? A) M$_{b}$ = 0.37 M KOH. B) M$_{b}$ = 0.76 M KOH. C) M$_{b}$ = 0.22 M of KOH. D) M$_{b}$ = 0.96 M KOH. Show Answer Correct Answer: C) M$_{b}$ = 0.22 M of KOH. 59. What is the type of bond occurred between hydrogen and another electronegative atom? A) Disulphide bridge. B) Ionic bond. C) Hydrogen bond. D) Chemical bond. Show Answer Correct Answer: C) Hydrogen bond. 60. ..... has a non-planar structure. A) Water. B) Hydrogen peroxide. C) Ice. D) Hydrogen Sulphide. Show Answer Correct Answer: B) Hydrogen peroxide. ← 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 6Class 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books