This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. NaH is an example of A) Metallic hydride. B) Saline hydride. C) Electron-rich hydride. D) Molecular hydride. Show Answer Correct Answer: B) Saline hydride. 2. The distance between two adjacent lines in the Hydrogen spectrum increase with the increasing frequency2. The energy gap between consecutive energy levels increase rapidly in a hydrogen atom when energy levels move further away from the nucleus.The above 2 statements respectively are, A) True, True. B) True, False. C) False, True. D) False, False. Show Answer Correct Answer: D) False, False. 3. Can hydrogen bonds form between molecules of the same type? A) Yes, but only in the presence of a catalyst. B) Hydrogen bonds cannot form at all between any molecules. C) No, hydrogen bonds can only form between different types of molecules. D) Yes, hydrogen bonds can form between molecules of the same type. Show Answer Correct Answer: D) Yes, hydrogen bonds can form between molecules of the same type. 4. Which intermolecular force results from a hydrogen bonded to O, F or N? A) Dipole-Dipole. B) Hydrogen Bonding. C) London Dispersion. D) Ion-Dipole. Show Answer Correct Answer: B) Hydrogen Bonding. 5. The reagent commonly used to determine the hardness of water titrimetrically is: A) Oxalic acid. B) Disodium salt of EDTA. C) Sodium citrate. D) Sodium thiosulphate. Show Answer Correct Answer: B) Disodium salt of EDTA. 6. When it reacts with both acids and alkalis it is called A) Amphoteric. B) Oxidation. C) Reduction. D) None. Show Answer Correct Answer: A) Amphoteric. 7. In a water molecule, oxygen has a: A) Slight positive charge. B) Slight negative charge. C) Neutral charge. D) Strong positive chargeTagsSYI-1ATopic-1.1. Show Answer Correct Answer: B) Slight negative charge. 8. The commonly used electrolyte in H2O2 Fuel cell A) KOH. B) H2SO4. C) Platinum. D) None of the above. Show Answer Correct Answer: A) KOH. 9. What is the main byproduct of a hydrogen fuel cell? A) Carbon dioxide. B) Water. C) Methane. D) Oxygen. Show Answer Correct Answer: B) Water. 10. Hydrogen bonds ..... as compared to the covalent bonds. A) Are weaker. B) Have fluctuating strengths. C) Are of equal strength. D) Are stronger. Show Answer Correct Answer: A) Are weaker. 11. As the frequency of an electromagnetic wave increases, the amount of energy in that wave ..... A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: A) Increases. 12. 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. 13. If both the K and L shells are full, what would be the atomic number of that element? A) 20. B) 14. C) 16. D) 10. Show Answer Correct Answer: D) 10. 14. What type of interaction stabilizes secondary structural elements in proteins? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Dipole-dipole interactions. Show Answer Correct Answer: A) Hydrogen bonding. 15. 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. 16. Which could be the pH of a solution whose H3 O+ ion concentration is less than the OH-ion concentration? A) 9. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 9. 17. Which is incorrect? A) It is an oxidising agent. B) It is inflammable. C) It is not easily liquifiable. D) It is lighgtest gas. Show Answer Correct Answer: A) It is an oxidising agent. 18. 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. 19. 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. 20. Which type of reaction is:NiCl$_{2}$ $\rightarrow$ Ni + Cl$_{2}$ A) Synthesis. B) Decomposition. C) Single Displacement. D) Double Displacement. Show Answer Correct Answer: B) Decomposition. 21. 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. 22. . 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) OH-(aq). B) H2O(l). C) NH3(g). D) NH4+(aq). Show Answer Correct Answer: B) H2O(l). 23. 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. 24. 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. 25. The element which like hydrogen has one valence electron A) He. B) Na. C) F. D) O. Show Answer Correct Answer: B) Na. ← 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 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 9Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books