This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In a water molecule, which atom(s) has/have a partial negative charge? A) Oxygen. B) Hydrogen. C) None of the atoms. D) All of the atoms. Show Answer Correct Answer: A) Oxygen. 2. What sector is most likely to see early applications of hydrogen technology? A) Consumer electronics. B) Heavy industry. C) Personal transportation. D) Residential heating. Show Answer Correct Answer: B) Heavy industry. 3. What is Deutrium also called A) Hydrogen Particulate. B) Light Hydrogen. C) Heavy Hydrogen. D) Breathable Hydrogen. Show Answer Correct Answer: C) Heavy Hydrogen. 4. The energy of electron in a hydrogen atom depends on A) "n" and "l" quantum No. B) "n" quantum No. C) "l" quantum No. D) None of the these. Show Answer Correct Answer: B) "n" quantum No. 5. In Hydrogen Fuel Cell, electrical current flows in external circuit through A) Protons. B) Holes. C) Electrons. D) All of the above. Show Answer Correct Answer: C) Electrons. 6. Which of these 1 M solutions will have the highest pH? A) CH3OH. B) HCl. C) NaCl. D) NaOH. Show Answer Correct Answer: D) NaOH. 7. Identify the incorrect statement regarding heavy water. A) It reacts with SO$_{3 }$to form deuterated sulphuric acid (D$_{2}$SO$_{4}$). B) It is used as a coolant in nuclear reactors. C) It reacts with CaC$_{2}$ to produce C$_{2}$D$_{2}$ and Ca(OD)$_{2}$. D) It reacts with Al$_{4}$C$_{3}$ to produce CD$_{4}$ and Al(OD)$_{3}$. Show Answer Correct Answer: B) It is used as a coolant in nuclear reactors. 8. What is the permutit (or zeolite) process for removing the Hpermanent Hadness of water A) Sodium silicates. B) Sodium meta hexa phosphate. C) Sodium meta aluminates. D) Hydrated Sodium aluminium silicates. Show Answer Correct Answer: D) Hydrated Sodium aluminium silicates. 9. S maksimum boleh masukkan electron ialah ..... A) 6. B) 2. C) 10. D) 14. Show Answer Correct Answer: B) 2. 10. Type of intermolecular force present in HF. A) Ion-ion attraction. B) Dipole dipole. C) London dispersion forces. D) H-bond. Show Answer Correct Answer: D) H-bond. 11. Marine acid was named as muriatic acid by whom? A) Joseph Priestly. B) Lavoisier. C) Glauber. D) None of the above. Show Answer Correct Answer: B) Lavoisier. 12. Water dissolves ionic compounds, like NaCl, because water molecules ..... A) Are non polar. B) Have a pH value of 14. C) Have partially charged ends that interact with ions. D) Do not contain atoms. Show Answer Correct Answer: C) Have partially charged ends that interact with ions. 13. Compared to a 1.0-liter aqueous solution with a pH of 7.0, a 1.0-liter aqueous solution with a pH of 5.0 contains A) 100 times more hydronium ions. B) 100 times more hydroxide ions. C) 10 times more hydronium ions. D) 10 times more hydroxide ions. Show Answer Correct Answer: A) 100 times more hydronium ions. 14. One use of hydrogen is as an energy source to fuel rockets and cars. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. MOFC's don't require an external reformer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Which physical property of dihydrogen is wrong? A) Tasteless gas. B) Odourless gas. C) Colourless gas. D) Non-inflammable gas. Show Answer Correct Answer: D) Non-inflammable gas. 17. A piece of calcium is added to cold water.Which equation represents the reaction? A) Ca + H$_{2}$O $\rightarrow$ CaO + H$_{2}$. B) Ca$^{2+}$ + 2H$_{2}$O $\rightarrow$ Ca(OH)$_{2}$ + 2H$^{+}$. C) Ca + 2H$_{2}$O $\rightarrow$ Ca(OH)$_{2}$ + H$_{2}$. D) 2Ca + 2H$_{2}$O $\rightarrow$ 2CaOH + H$_{2}$. Show Answer Correct Answer: C) Ca + 2H$_{2}$O $\rightarrow$ Ca(OH)$_{2}$ + H$_{2}$. 18. How do hydrogen bonds contribute to the phenomenon of capillary action? A) Hydrogen bonds only affect the temperature of water, not its movement in capillary action. B) Hydrogen bonds enable water molecules to adhere to surfaces and to each other, facilitating capillary action. C) Hydrogen bonds cause water to evaporate quickly, reducing capillary action. D) Hydrogen bonds prevent water from sticking to surfaces, hindering capillary action. Show Answer Correct Answer: B) Hydrogen bonds enable water molecules to adhere to surfaces and to each other, facilitating capillary action. 19. What is the role of oxygen in the cathode reaction of a hydrogen-oxygen fuel cell? A) It is oxidized to form oxygen ions. B) It reacts with hydrogen ions and electrons to produce water. C) It is reduced to form hydrogen gas. D) It breaks down water molecules into hydrogen and oxygen. Show Answer Correct Answer: B) It reacts with hydrogen ions and electrons to produce water. 20. Which of the following molecules can form hydrogen bonds with water? A) Carbon dioxide (CO2). B) Oxygen (O2). C) Ammonia (NH3). D) Methane (CH4). Show Answer Correct Answer: C) Ammonia (NH3). 21. Which of the following metals does not give hydrogen with acids? A) Iron. B) Zinc. C) Magnesium. D) Copper. Show Answer Correct Answer: D) Copper. 22. Which product below completes the equation? 2Al+ 3H$_{2}$SO$_{4-> }$ A) Al$_{2}$(SO$_{4}$)$_{3}$ + 3H$_{2}$. B) Al$_{2}$(SO$_{4}$)$_{3}$ + 4H$_{2}$. C) Al$_{2}$(SO$_{4}$)$_{3}$ + H$_{2}$. D) None of the above. Show Answer Correct Answer: A) Al$_{2}$(SO$_{4}$)$_{3}$ + 3H$_{2}$. 23. What property of water is responsible for skipping rocks on a pond? A) Evaporative Cooling. B) Adhesion. C) Less Dense as Solid. D) Cohesion. Show Answer Correct Answer: D) Cohesion. 24. When silver nitrate solution reacts with hydrochloric acid, it gives a thick curdy white ppt. which is soluble in A) Sodium hydroxide. B) Ammonium hydroxide. C) Calcium hydroxide. D) None of the above. Show Answer Correct Answer: B) Ammonium hydroxide. 25. Which equation allows the calculation of the hydrogen ion concentration if the pH of a solution is known? A) [H$^{+}$] =-log(pH). B) [H$^{+}$] = 10$^{-log(pH)}$. C) [H$^{+}$] = 10$^{-(pH)}$. D) [H$^{+}$] = 10$^{(pH)}$. Show Answer Correct Answer: C) [H$^{+}$] = 10$^{-(pH)}$. 26. What is the efficiency of hydrogen fuel cells compared to combustion engines? A) Hydrogen fuel cells are 80% efficient, while combustion engines are 40% efficient. B) Hydrogen fuel cells are approximately 60% efficient, compared to 20-30% for combustion engines. C) Both hydrogen fuel cells and combustion engines are equally efficient at 50%. D) Hydrogen fuel cells have a lower efficiency than combustion engines at 15%. Show Answer Correct Answer: B) Hydrogen fuel cells are approximately 60% efficient, compared to 20-30% for combustion engines. 27. Hydrogen bonding occurs when a hydrogen atom bonded to N, O, or F is attracted to another molecule's N, O or F atom. Which of the following can participate in hydrogen bonding? A) NH$_{3}$. B) CBr$_{4}$. C) NO$_{2}$. D) H$_{2}$S. Show Answer Correct Answer: A) NH$_{3}$. 28. What is aqua regia? A) Mixture of 3 parts of HNO$_{3}$ and 1 part of conc HCl. B) Mixture of 1 part of HNO$_{3}$ and 2 parts of conc HCl. C) Mixture of 1 part of HNO$_{3}$ and 3 parts of conc HCl. D) None of the above. Show Answer Correct Answer: C) Mixture of 1 part of HNO$_{3}$ and 3 parts of conc HCl. 29. Describe the difference between a strong and weak hydrogen bond. A) Strong hydrogen bonds are always longer than weak ones. B) Weak hydrogen bonds are stronger due to lower electronegativity. C) Strong hydrogen bonds do not involve electronegativity differences. D) Strong hydrogen bonds are shorter and stronger due to high electronegativity, while weak hydrogen bonds are longer and weaker. Show Answer Correct Answer: D) Strong hydrogen bonds are shorter and stronger due to high electronegativity, while weak hydrogen bonds are longer and weaker. 30. Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy A) Ultraviolet Rays. B) Gamma Rays. C) X-rays. D) Radio waves. Show Answer Correct Answer: B) Gamma Rays. 31. During electrolysis of water, hydrogen is collected at A) Anode. B) Cathode. C) Positive electrode. D) None of the above. Show Answer Correct Answer: B) Cathode. 32. By 2025 in California, What percentage of vehicles are expected to have zero emission? A) 45. B) 80. C) 15. D) 20. Show Answer Correct Answer: C) 15. 33. Which method of hydrogen production is considered 'green' when powered by renewable energy? A) Coal gasification. B) Electrolysis of water. C) Steam methane reforming. D) Natural gas extraction. Show Answer Correct Answer: B) Electrolysis of water. 34. London dispersion forces are stronger between atoms or molecules with more electrons, and weaker between atoms or molecules with fewer electrons. Which of the following has the strongest London dispersion forces? A) Br$_{2}$. B) Cl$_{2}$. C) I$_{2}$. D) F$_{2}$. Show Answer Correct Answer: C) I$_{2}$. 35. The enthalpy of vapourisation is for H2O is ..... than heavy water A) GREATER. B) SMALLER. C) EQUAL. D) None of the above. Show Answer Correct Answer: B) SMALLER. 36. What is meant by delocalised electron? A) Valence electron. B) Sea of electrons. C) Electrons that are free to move. D) Negatively-charged ion that are free to move. Show Answer Correct Answer: C) Electrons that are free to move. 37. The product of the [H+] and the [OH-] is always ..... A) Less than 1 x 10$^{-7}$. B) A neutral solution. C) Greater than 1 x 10$^{-7}$. D) 1 x 10$^{-14}$. Show Answer Correct Answer: D) 1 x 10$^{-14}$. 38. CuO+ H2 ..... $\rightarrow$ Cu + H2O, here H is a A) Oxidising agent. B) Reducing agent. C) None. D) None of the above. Show Answer Correct Answer: B) Reducing agent. 39. Which metal is considered to have a "unique nature" in the context of hydrogen preparation because it can react with both acids and strong alkalis to produce hydrogen gas? A) Copper. B) Lead. C) Iron. D) Zinc. Show Answer Correct Answer: D) Zinc. 40. Where are hydrogen bonds in proteins?Note:There is more than one answer to this. Focus on the place where ONLY hydrogen bonds exist. A) Between backbone. B) Between the R groups. C) Between amino acids. D) Between polypeptides. Show Answer Correct Answer: A) Between backbone. 41. The chemical behaviour of dihydrogen (and for that matter any molecule) is determined, to a large extent, by A) Bond dissociation enthalpy. B) Vaporisation enthalpy. C) Bond association enthalpy. D) Bonding energy. Show Answer Correct Answer: A) Bond dissociation enthalpy. 42. Why has hydrogen not been widely adopted as a fuel in the past? A) Due to its high production costs and inefficiency without renewables. B) Lack of technological advancements. C) Public perception of its safety. D) It was not considered a viable energy source. Show Answer Correct Answer: A) Due to its high production costs and inefficiency without renewables. 43. A:Urea acts as a stabilizer B:dust can induce explosive decomposition of NH3 A) A and B are incorrect. B) A is only correct. C) B is only correct. D) A and B are correct but B is not the correct explanation of A. Show Answer Correct Answer: D) A and B are correct but B is not the correct explanation of A. 44. What is the oxidation half equation for a hydrogen fuel cell operating under acidic conditions? A) H$_{2}$(g) $\rightarrow$ 2H$^{+}$(aq) + 2e$^{-}$. B) H$_{2}$(g) + 2OH$^{-}$(aq) $\rightarrow$ 2H$_{2}$O (l) + 2e$^{-}$. C) O$_{2}$(g) +4H$^{+}$(aq) + 4e$^{-}$ $\rightarrow$ 2H$_{2}$O (g). D) O$_{2}$(g) +2H$_{2}$O (l) + 4e$^{-}$ $\rightarrow$ 4OH$^{-}$(aq). Show Answer Correct Answer: A) H$_{2}$(g) $\rightarrow$ 2H$^{+}$(aq) + 2e$^{-}$. 45. ..... is a metal and mercury alloy. A) Amalgam. B) Mercury. C) All the above. D) None of the above. Show Answer Correct Answer: A) Amalgam. 46. During electrolysis of water oxygen is collected at A) Anode. B) Cathode. C) None. D) None of the above. Show Answer Correct Answer: A) Anode. 47. Grand Coulee Dam is located in which state? A) Oregon. B) Idaho. C) California. D) None of the above. Show Answer Correct Answer: D) None of the above. 48. According to Hollywood prophecy we should have ..... cars by 2015 A) Hydrogen fueled. B) Supersonic. C) Solar. D) Flying. Show Answer Correct Answer: D) Flying. 49. What is the main purpose of Fountain experiment? A) To show high solubility of HCl gas in water. B) To show the acidic nature of HCl gas. C) All the above. D) None of the above. Show Answer Correct Answer: A) To show high solubility of HCl gas in water. 50. How does a hydrogen fuel cell generate electricity? A) By burning hydrogen gas. B) Through a chemical reaction between hydrogen and oxygen. C) By converting water into hydrogen and oxygen. D) By using solar energy. Show Answer Correct Answer: B) Through a chemical reaction between hydrogen and oxygen. 51. What is the basis of hydrogen bond? A) Attraction forces between hydrogen atom with another hydrogen atom of another molecule. B) Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule. C) Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N). D) Attraction forces between hydrogen atom bonded with another hydrogen atom. Show Answer Correct Answer: B) Attraction forces between hydrogen atom bonded with a high electronegativity atom (F, O, N) with atom (F, O, N) of another molecule. 52. Name the metal used to produce hydrogen gas in the lab. A) Zinc. B) Calcium. C) Copper. D) Potassium. Show Answer Correct Answer: A) Zinc. 53. When was Hydrogen discovered? A) 1756. B) 1767. C) 1787. D) 1766. Show Answer Correct Answer: D) 1766. 54. Manufacture of hydrogen is a ..... A) Easy process. B) Cheap process. C) Bosch process. D) None of the above. Show Answer Correct Answer: C) Bosch process. 55. What is the main factor that determines the solvation of ions in water? A) Dispersion interactions. B) Hydrogen bonding. C) Ionic bonding. D) Dipole-dipole interactions. Show Answer Correct Answer: B) Hydrogen bonding. 56. Hydrogen is colors less and A) Combustible. B) Non combustible. C) Supports combustion. D) None of the above. Show Answer Correct Answer: A) Combustible. 57. Which type of chemical bond is formed in Aluminum wire? A) Metallic. B) Ionic. C) Covalent. D) Dative. Show Answer Correct Answer: A) Metallic. 58. In which of the Fuel Cell the Electrolyte used is in liquid form A) Polymer Electrolyte Membrane (PEM). B) Solid Oxide Fuel Cell (SOFC). C) Alkaline Fuel Cell (AFC). D) Molten Carbonate Fuel Cell (MCFC). Show Answer Correct Answer: C) Alkaline Fuel Cell (AFC). 59. Strong electrolysis ..... A) Dissociate almost completely into ions in their aqueous or molten state. B) Partly dissociate into ions in their liquid states. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dissociate almost completely into ions in their aqueous or molten state. 60. Ammonia (NH3) and water have similar structures, but the forces between the molecules of ammonia are weaker. How would the properties of ammonia differ from those of water? A) Ammonia would have a lower heat capacity. B) Ammonia would have greater molecular weight. C) Ammonia would have a higher boiling point. D) Ammonia would be more cohesive. Show Answer Correct Answer: A) Ammonia would have a lower heat capacity. ← 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 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 8Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books