This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. What is given off as the major waste product in a hydrogen fueled car? A) H$_{2}$O. B) H$_{2}$. C) O$_{2}$. D) H$_{2}$O$_{2}$. Show Answer Correct Answer: A) H$_{2}$O. 3. Which substance would have the weakest intermolecular forces of attraction? A) H$_{2}$O. B) CH$_{4}$. C) NaCl. D) MgF$_{2}$. Show Answer Correct Answer: B) CH$_{4}$. 4. 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$_{2}$)$_{2}$. 5. Fill in the blank:The primary product at the cathode in a hydrogen-oxygen fuel cell is ..... A) Oxygen gas. B) Water. C) Hydrogen gas. D) Carbon dioxide. Show Answer Correct Answer: B) Water. 6. 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$_{2}$. 7. Which is most stable A) LiI. B) LiF. C) LiBr. D) LiCl. Show Answer Correct Answer: B) LiF. 8. Hydrogen is most ..... element in the universe. A) Abundant. B) Consumer. C) Both. D) None. Show Answer Correct Answer: A) Abundant. 9. 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. 10. How many dollars is Californian government planning spent by 2025 to create 100 fueling stations for Hydrogen A) 5 trillion. B) 1 billion. C) 100 billion. D) 200 million. Show Answer Correct Answer: D) 200 million. 11. 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. 12. 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. 13. 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. 14. What is the environmental impact of using hydrogen fuel cells? A) Water vapor emissions. B) High carbon emissions. C) Methane emissions. D) Sulfur emissions. Show Answer Correct Answer: A) Water vapor emissions. 15. 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. 16. 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. 17. What is the reduction half equation for a hydrogen fuel cell operating under acidic conditions? A) H$_{2}$(g) $\rightarrow$ 2H$^{+}$(aq) + 2e$^{-}$. B) O$_{2}$(g) +4H$^{+}$(aq) + 4e$^{-}$ $\rightarrow$ 2H$_{2}$O (g). C) H$_{2}$(g) + 2OH$^{-}$(aq) $\rightarrow$ 2H$_{2}$O (l) + 2e$^{-}$. D) O$_{2}$(g) +2H$_{2}$O (l) + 4e$^{-}$ $\rightarrow$ 4OH$^{-}$(aq). Show Answer Correct Answer: B) O$_{2}$(g) +4H$^{+}$(aq) + 4e$^{-}$ $\rightarrow$ 2H$_{2}$O (g). 18. 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 convert more of the fuel's energy into usable power. C) They operate at higher temperatures. D) They produce more power per unit of fuel. Show Answer Correct Answer: B) They convert more of the fuel's energy into usable power. 19. 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. 20. Product of a reaction between calcium and hydrogen. A) Hydrogen calcide. B) Calcium hydrogenate. C) Hydrogen carbonate. D) Calcium hydride. Show Answer Correct Answer: D) Calcium hydride. 21. 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. 22. Na(HCO3)2 reacts to Ca(OH)$_{2}$ reacts to give the following precipitate A) Calcium carbonate. B) Magnesium hydroxide. C) Both. D) It does not give any precipitate. Show Answer Correct Answer: C) Both. 23. What is meant by metallic bond? A) An electrostatic force between the positively charged metal ions and sea of electrons. B) Van der Waals force between the positively charged metal ions and sea of electrons. C) An electrostatic force between the negatively charged metal ions and sea of electrons. D) An electrostatic force between the positively charged metal ions and delocalised electrons. Show Answer Correct Answer: A) An electrostatic force between the positively charged metal ions and sea of electrons. 24. What is range of Current Density available through PEM type Fuel Cell? A) 0.1 to 0.5 Amp / cm$^{2}$. B) 0.5 to 1 Amp / cm2. C) 1 to 2 Amp / cm$^{2}$. D) Above 2 Amp / cm$^{2}$. Show Answer Correct Answer: B) 0.5 to 1 Amp / cm2. 25. The positive charged electrode by which electrons enter an electrical device is known as A) Cathode. B) Anode. C) Neither. D) Both. Show Answer Correct Answer: B) Anode. 26. Carbon dioxide is removed by scrubbing with A) Sodium arsenic solution. B) Sodium arsenite solution. C) Sodium arsate solution. D) Sodium sulphate solution. Show Answer Correct Answer: B) Sodium arsenite solution. 27. What is the primary fuel used in hydrogen fuel cells? A) Propane. B) Hydrogen gas. C) Ethanol. D) Methane. Show Answer Correct Answer: B) Hydrogen gas. 28. Can you name a molecule that exhibits hydrogen bonding? A) Methane (CH4). B) Sodium Chloride (NaCl). C) Water (H2O). D) Carbon Dioxide (CO2). Show Answer Correct Answer: C) Water (H2O). 29. Dihydrogen monoxide is oxide of ..... It is ..... in nature. A) Hydroxide, acidic. B) Hydrogen, neutral. C) Hydroxide, neutral. D) Hydrogen, basic. Show Answer Correct Answer: B) Hydrogen, neutral. 30. In which year did Davy gave the name 'Hydrogen Chloride'? A) 1648. B) 1772. C) 1810. D) None of the above. Show Answer Correct Answer: C) 1810. 31. Which of the following will take the longest to evaporate? A) CH$_{3}$CH$_{2}$OH. B) CH$_{3}$OH. C) CH$_{3}$CH$_{3}$. D) None of the above. Show Answer Correct Answer: A) CH$_{3}$CH$_{2}$OH. 32. Hydrogen can't be condensed to liquid. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 33. ..... is absolute zero temperature. A) 273 K. B) -273 K. C) -273$^\circ$C. D) 273$^\circ$C. Show Answer Correct Answer: C) -273$^\circ$C. 34. Hydrogen by electrolysis and renewable energy is ..... A) Green hydrogen. B) Blue hydrogen. C) Grey hydrogen. D) Black hydrogen. Show Answer Correct Answer: A) Green hydrogen. 35. What causes the polarity in molecules like water and ammonia? A) Presence of ionic bonds. B) Asymmetry and electronegative atoms bonded to hydrogen. C) Equal sharing of electrons. D) Symmetrical distribution of electrons. Show Answer Correct Answer: B) Asymmetry and electronegative atoms bonded to hydrogen. 36. Choose the correct line spectrum formed when electron falls down from n=5 to n =3 A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: A) 2. 37. In which property listed below hydrogen does not resemble alkali metals? A) Combination with halogens. B) Nature of oxide. C) Reducing character. D) Tendency to form cation. Show Answer Correct Answer: B) Nature of oxide. 38. What is the efficiency of a Fuel cell? A) 75. B) 80. C) 45. D) 100. Show Answer Correct Answer: D) 100. 39. In which type of Fuel Cell Ammonia can be used instead of Hydrogen? A) Alkaline Fuel Cell (AFC). B) Phosphoric Acid Fuel Cell (PAFC). C) Polymer Electrolyte Membrane (PEM). D) Molten Carbonate Fuel Cell (MCFC). Show Answer Correct Answer: A) Alkaline Fuel Cell (AFC). 40. The correct order of elements according Zn, Li, C, Ca, Al, Fe, Cu, K, Cu according to their reactivity. From more reactive element to least reactive element. A) K, Li, Ca, Al, C, Zn, Fe, Cu,. B) Fe, Zn, Li, Cu, C, Ca, Al, K. C) All the above. D) None of the above. Show Answer Correct Answer: A) K, Li, Ca, Al, C, Zn, Fe, Cu,. 41. Fill in the blank:In a hydrogen-oxygen fuel cell, the overall reaction is ..... A) 4H+ + 4e-+ O2 $\rightarrow$ 2H2O. B) 2H2 + O2 $\rightarrow$ 2H2O. C) H2 + O2 $\rightarrow$ H2O. D) 2H2O $\rightarrow$ 2H2 + O2. Show Answer Correct Answer: B) 2H2 + O2 $\rightarrow$ 2H2O. 42. How does hydrogen bonding affect the boiling point of water compared to other group 16 hydrides? A) It raises the boiling point of water significantly. B) It has no effect on the boiling point of water. C) It makes the boiling point of water the same as other group 16 hydrides. D) It lowers the boiling point of water. Show Answer Correct Answer: A) It raises the boiling point of water significantly. 43. What type of bonds hold nitrogenous bases together in DNA? A) Covalent bonds. B) Van der Waals forces. C) Ionic bonds. D) Hydrogen bonds. Show Answer Correct Answer: D) Hydrogen bonds. 44. Acid reacts with metal to produce ..... gas. A) Carbon dioxide. B) Hydrogen. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: B) Hydrogen. 45. Which of these metals reacts with cold water to produce hydrogen gas? A) Zinc. B) Sodium. C) Iron. D) Magnesium. Show Answer Correct Answer: B) Sodium. 46. What is the name of the type of spectrum consisting only of specific wavelengths? A) Mass. B) Continuous. C) Line. D) Electromagnetic. Show Answer Correct Answer: C) Line. 47. Azimuthal quantum number determines the A) Shape. B) Spin. C) Size. D) Angular momentum of orbitals. Show Answer Correct Answer: D) Angular momentum of orbitals. 48. Identify the saline hydride. A) Lutetium hydride. B) Hydrogen suphide. C) Scantium hydride. D) Sodium hydride. Show Answer Correct Answer: D) Sodium hydride. 49. Since a fuel cell is compartmentalised, ions move from the anode to the cathode through the porous electrolyte. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. The more oxygen produced by a hydrogen peroxide solution, the more oxidation will occur. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 51. Which is lighter? Hydrogen or air? (a) A) A. hydrogen. B) Air. C) All the above. D) None of the above. Show Answer Correct Answer: A) A. hydrogen. 52. The maximum number of hydrogen a water molecule in ice is A) 3. B) 2. C) 4. D) 1. Show Answer Correct Answer: C) 4. 53. Hydrogen is highly ..... A) Flammable. B) Toxic. C) Absorbent. D) Concentrated. Show Answer Correct Answer: A) Flammable. 54. What is the apparatus in electrolysis A) Hoffman's electrometer. B) Foeman's electrometer. C) Foeman's volameter. D) Hoffman's volameter. Show Answer Correct Answer: D) Hoffman's volameter. 55. Assertion (A):Hydrogen is discharged at anode when sodium hydride is electrolysed in fused state.Reason(R):In sodium hydride, hydrogen is present ascation. A) Both A and R are correct; R is the correct explanation of A. B) Both A and R are correct; R is not the correct explanation of A. C) A is correct; R is incorrect. D) A is incorrect; R is correct. Show Answer Correct Answer: C) A is correct; R is incorrect. 56. Metal which does not react with cold water but evolved H$_{2}$ when react with Steam A) Na. B) Pt. C) Fe. D) K. Show Answer Correct Answer: C) Fe. 57. Aanya and Aarav are conducting an experiment on electrolysis. In their setup, they observe that Hydrogen is obtained at ..... and oxygen is obtained at ..... A) Positive terminal, negative terminal. B) Negative terminal, positive terminal. C) All the above. D) None of the above. Show Answer Correct Answer: B) Negative terminal, positive terminal. 58. What type of reaction takes place in a fuel cell? A) Exothermic. B) Endothermic. C) No reaction occurs. D) None of the above. Show Answer Correct Answer: A) Exothermic. 59. An Intrapeptide bond is a bond between which of the following? A) Peptide-Hydrogen bond. B) Peptide-Water bond. C) Peptide-Peptide bond. D) Peptide-Amino acid sequence. E) None of the above. Show Answer Correct Answer: C) Peptide-Peptide bond. 60. Why is dilute nitric acid not used to prepare hydrogen? A) Nitric acid is a strong oxidising agent. B) Mixture of hydrogen and nitric acid is a detonating mixture. C) Both statements are true. D) None of the above. Show Answer Correct Answer: A) Nitric acid is a strong oxidising agent. ← 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books