This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nitric acid oxidises hydrochloric acid to ..... A) Nitrosyl. B) Chlorine. C) Hydrogen. D) None of the above. Show Answer Correct Answer: B) Chlorine. 2. Which of the following is a real-world application of hydrogen fuel cells? A) Powering electric vehicles. B) Heating homes. C) Producing fertilizers. D) Generating solar power. Show Answer Correct Answer: A) Powering electric vehicles. 3. How does hydrogen bonding affect the solubility of substances in water? A) Hydrogen bonding only affects the solubility of gases in water. B) Hydrogen bonding increases the solubility of all substances in water. C) Hydrogen bonding has no effect on solubility in water. D) Hydrogen bonding increases the solubility of polar substances in water while decreasing the solubility of non-polar substances. Show Answer Correct Answer: D) Hydrogen bonding increases the solubility of polar substances in water while decreasing the solubility of non-polar substances. 4. What is given off as the major waste product in a hydrogen fueled car? A) H$_{2}$. B) O$_{2}$. C) H$_{2}$O$_{2}$. D) H$_{2}$O. Show Answer Correct Answer: D) H$_{2}$O. 5. Which substance would have the weakest intermolecular forces of attraction? A) CH$_{4}$. B) NaCl. C) H$_{2}$O. D) MgF$_{2}$. Show Answer Correct Answer: A) CH$_{4}$. 6. When hydrogen peroxide is shaken with an acidified solution of potassium dichromate in presence of ether, the ethereal layer turns blue due to the formation of A) Cr$_{2}$O$_{3}$. B) CrO(O$_{2}$)$_{2}$. C) CrO$_{4}$ $^{2-}$. D) None of the above. Show Answer Correct Answer: B) CrO(O$_{2}$)$_{2}$. 7. Fill in the blank:The primary product at the cathode in a hydrogen-oxygen fuel cell is ..... A) Carbon dioxide. B) Oxygen gas. C) Water. D) Hydrogen gas. Show Answer Correct Answer: C) Water. 8. H$_{2}$O$_{2 }$react with KMnO$_{4}$ in the presence of acidic medium and gives A) Mn$^{2+}$ and O$_{2}$. B) Mn$^{4+}$ and O$_{2}$. C) Mn$^{3+}$ and O$_{3}$. D) Mn$^{2+}$ and Mn$^{4+}$. Show Answer Correct Answer: A) Mn$^{2+}$ and O$_{2}$. 9. Which is most stable A) LiF. B) LiCl. C) LiBr. D) LiI. Show Answer Correct Answer: A) LiF. 10. Hydrogen is most ..... element in the universe. A) Abundant. B) Consumer. C) Both. D) None. Show Answer Correct Answer: A) Abundant. 11. Who developed Alkaline Fuel Cell? A) Humphry Davy. B) Charles Langer. C) Francis Bacon. D) None of the above. Show Answer Correct Answer: C) Francis Bacon. 12. How many dollars is Californian government planning spent by 2025 to create 100 fueling stations for Hydrogen A) 200 million. B) 100 billion. C) 1 billion. D) 5 trillion. Show Answer Correct Answer: A) 200 million. 13. Large bodies of water do not quickly fluctuate, or change, in temperature. Why? A) Water is a solvent. B) Water has a high heat capacity. C) Water acts as a buffer. D) Water is non-polar. Show Answer Correct Answer: B) Water has a high heat capacity. 14. Which of the following isotopes of hydrogen is used in nuclear reactor. A) Hydrogen atom. B) Protium. C) Deuterium. D) Tritium. Show Answer Correct Answer: C) Deuterium. 15. Water property responsible for water movement up the stem A) Adhesion and cohesion. B) Less dense as solid. C) Specific heat. D) Surface tension. Show Answer Correct Answer: A) Adhesion and cohesion. 16. Atoms of a polar molecule share their atoms ..... A) Equally. B) Unequally. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unequally. 17. What is the environmental impact of using hydrogen fuel cells? A) High carbon emissions. B) Water vapor emissions. C) Sulfur emissions. D) Methane emissions. Show Answer Correct Answer: B) Water vapor emissions. 18. What is produced by a hydrogen oxygen fuel cell? A) Carbon di oxide. B) Water. C) Water and carbon di oxide. D) None of the above. Show Answer Correct Answer: B) Water. 19. Hydrogen bond between ethanol molecule caused the ethanol has high boiling point A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. What is the reduction 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) +2H$_{2}$O (l) + 4e$^{-}$ $\rightarrow$ 4OH$^{-}$(aq). D) O$_{2}$(g) +4H$^{+}$(aq) + 4e$^{-}$ $\rightarrow$ 2H$_{2}$O (g). Show Answer Correct Answer: D) O$_{2}$(g) +4H$^{+}$(aq) + 4e$^{-}$ $\rightarrow$ 2H$_{2}$O (g). 21. Why is ice less dense than liquid water? A) Hydrogen bonds cause water molecules to be more tightly packed in ice. B) Hydrogen bonds create an open hexagonal structure in ice. C) Hydrogen bonds are stronger in liquid water. D) Hydrogen bonds do not affect the density of ice. Show Answer Correct Answer: B) Hydrogen bonds create an open hexagonal structure in ice. 22. Which of the following best describes the efficiency advantage of hydrogen fuel cells over traditional combustion engines? A) They have a higher energy density. B) They produce more power per unit of fuel. C) They convert more of the fuel's energy into usable power. D) They operate at higher temperatures. Show Answer Correct Answer: C) They convert more of the fuel's energy into usable power. 23. The first ionization enthalpy of Na, Mg and Si, respectively, are:496, 737 and 786 kJ mol-1. The first ionization enthalpy (kJmol-1) of Al is: A) 467. B) 789. C) 577. D) 876. Show Answer Correct Answer: C) 577. 24. Product of a reaction between calcium and hydrogen. A) Hydrogen calcide. B) Calcium hydrogenate. C) Calcium hydride. D) Hydrogen carbonate. Show Answer Correct Answer: C) Calcium hydride. 25. Which one is Stationary Applications of Fuel Cell? A) Back-Up Power Plant. B) Distributed Power Generation. C) Electrical Utility Plant. D) All of the Above. Show Answer Correct Answer: D) All of the Above. ← 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