This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part Ii > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydrogen bonding occurs in molecules when ..... A) A hydrogen atoms form an ionic bond with another atom on an adjacent molecule. B) A hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule. C) A hydrogen atom forms a covalent bond with another atom. D) A hydrogen atom in a molecule forms a bond with any atom. Show Answer Correct Answer: B) A hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule. 2. Water is an excellent solvent. Select the property that justifies this statement. A) As a polar molecule, it can surround and dissolve ionic and polar molecules. B) It forms ionic bonds with ions, hydrogen bonds with polar molecules, and hydrophobic interactions with non polar molecules. C) It forms hydrogen bonds with itself so cohesion is possible. D) It is liquid and will adhere to many substances. Show Answer Correct Answer: A) As a polar molecule, it can surround and dissolve ionic and polar molecules. 3. Hydrogen is heaviest gas A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 4. What property of water is used by organism during sweating? A) Cohesion. B) Adhesion. C) Less Dense as Solid. D) Evaporative Cooling. Show Answer Correct Answer: D) Evaporative Cooling. 5. What is the main factor that determines the density of ice compared to water? A) Dispersion interactions. B) Dipole-dipole interactions. C) Hydrogen bonding. D) Ionic bonding. Show Answer Correct Answer: C) Hydrogen bonding. 6. Which property of water is a direct result of hydrogen bonding? A) Low specific heat capacity. B) Low boiling point. C) High surface tension. D) High density. Show Answer Correct Answer: C) High surface tension. 7. Water is oxidized to oxygen by: A) ClO2. B) KMnO4. C) H2O2. D) Ozone. E) F2. Show Answer Correct Answer: E) F2. 8. In laboratory method of preparation of hydrogen, hydrogen is collected by downward displacement of water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Why does hair looks straight when wet? A) Hydrogen bond between water and protein molecules of hair. B) Hydrogen bond between protein membrane among hairs. C) All the above. D) None of the above. Show Answer Correct Answer: A) Hydrogen bond between water and protein molecules of hair. 10. Which of the following best explains why water is a good solvent for ionic compounds? A) Water molecules are nonpolar and can surround ions. B) Water molecules are polar and can surround ions. C) Water molecules form covalent bonds with ions. D) Water molecules are hydrophobic and repel ions. Show Answer Correct Answer: B) Water molecules are polar and can surround ions. 11. True of False:Alkaline and Acidic Hydrogen fuel cells have the same overall reaction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. What Country is the largest producer of Hydrogen Fuel Cells A) Germany. B) China. C) Canada. D) United States. Show Answer Correct Answer: B) China. 13. Who discovered Sodium? A) Humphry Davey. B) Humphry Davy. C) Humphry Davie. D) Humpry Davey. Show Answer Correct Answer: B) Humphry Davy. 14. Hydrogen has the highest explosive energy per unit of stored fuel. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. What are the safety concerns related to geothermal energy? A) Safety concerns related to geothermal energy include induced seismicity, harmful gas release, water contamination, land subsidence, and geothermal waste management. B) Geothermal energy has no effect on local wildlife or ecosystems. C) Geothermal energy only produces renewable electricity without any environmental impact. D) Geothermal energy is completely safe with no risks. Show Answer Correct Answer: A) Safety concerns related to geothermal energy include induced seismicity, harmful gas release, water contamination, land subsidence, and geothermal waste management. 16. What is the main by-product of using hydrogen in a fuel cell? A) Nitrogen oxides. B) Water. C) Sulfur dioxide. D) Carbon dioxide. Show Answer Correct Answer: B) Water. 17. The structure of H$_{2}$O$_{2}$ is A) Planar. B) Linear. C) Spherical. D) Non-planar. Show Answer Correct Answer: D) Non-planar. 18. Who is responsible for the model of the atom where electrons travel in specific paths or orbits around the nucleus? A) Einstein. B) Bohr. C) Planck. D) Dalton. Show Answer Correct Answer: B) Bohr. 19. ..... names / coined the term Hydrogen. A) Robert Boyle. B) Dalton. C) Lavoisier. D) None of the above. Show Answer Correct Answer: C) Lavoisier. 20. Which of the following compounds will NOT form hydrogen bonds with water? A) $H_2O_2$. B) $NH_3$. C) $C_2H_6$. D) $CH_3OH$. Show Answer Correct Answer: C) $C_2H_6$. 21. What are the three types of chemical bonding? A) Metallic, ionic, covalent. B) Protons, neutrons, electrons. C) Positive, negative, neutral. D) Chemical, metal and non-metal. Show Answer Correct Answer: A) Metallic, ionic, covalent. 22. Granulated zinc is preferred over other metals because it A) Contains copper which acts a catalyst. B) Contains iron. C) None. D) None of the above. Show Answer Correct Answer: A) Contains copper which acts a catalyst. 23. Name the drying agent/agents not used to dry hydrogen chloride gas A) Phosphorus pentaoxide. B) Phosphorus pentaoxide and calcium oxide. C) Calcium oxide. D) Conc.sulphuric acid. Show Answer Correct Answer: B) Phosphorus pentaoxide and calcium oxide. 24. If the hydrogen electron is in n=3 state then how many degenerate state is possible? A) 5. B) 11. C) 3. D) 9. Show Answer Correct Answer: D) 9. 25. Who discovered hydrogen A) Henry Cavendish. B) Robert Boyle. C) Antoine Lavoisier. D) None of the above. Show Answer Correct Answer: B) Robert Boyle. 26. Can chlorine, Cl$_{2}$ form hydrogen bonds? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 27. Gases exert pressure in ..... A) All directions. B) Upward direction. C) Downward direction. D) None of the above. Show Answer Correct Answer: A) All directions. 28. Which impurities are removed by passing through caustic soda A) Arsine and Phosphine. B) Hydrogen sulphide. C) Moisture. D) NO2/CO2/SO2. Show Answer Correct Answer: D) NO2/CO2/SO2. 29. How do hydrogen bonds affect the viscosity of liquids? A) Hydrogen bonds have no effect on the viscosity of liquids. B) Hydrogen bonds increase the viscosity of liquids by creating stronger intermolecular attractions that resist flow. C) Hydrogen bonds decrease the viscosity of liquids by weakening intermolecular attractions. D) Hydrogen bonds only affect the density of liquids, not their viscosity. Show Answer Correct Answer: B) Hydrogen bonds increase the viscosity of liquids by creating stronger intermolecular attractions that resist flow. 30. What is the main driving force behind the folding of proteins? A) Dispersion interactions. B) Ionic bonding. C) Hydrophobic effect. D) Hydrogen bonding. Show Answer Correct Answer: C) Hydrophobic effect. 31. How does temperature affect the efficiency of geothermal energy systems? A) Temperature has no impact on geothermal energy systems' efficiency. B) Higher temperatures increase the efficiency of geothermal energy systems. C) Lower temperatures enhance the efficiency of geothermal energy systems. D) Geothermal energy systems are more efficient at room temperature. Show Answer Correct Answer: B) Higher temperatures increase the efficiency of geothermal energy systems. 32. ..... can be added as a stabiliser in H$_{2}$O$_{2}$? A) Nitrogen. B) Potassium. C) Urea. D) Phosphorous. Show Answer Correct Answer: C) Urea. 33. If the hydrogen fuel cell was operating under alkaline conditions, what electrolyte could be used? A) KOH. B) NaCl. C) H$_{3}$PO$_{4}$. D) HCl. Show Answer Correct Answer: A) KOH. 34. PbO2 + SO2 $\rightarrow$ PbSO4Name the substance reduced A) This is not a redox reaction. B) SO2. C) PbO2. D) PbSO4. Show Answer Correct Answer: C) PbO2. 35. Which of the following transitions involves maximum amount of energy? A) M+ (g) M2+(g). B) M2+(g) M3+(g). C) M-(g) M(g). D) M(g) M+ (g). Show Answer Correct Answer: C) M-(g) M(g). 36. Why aren't hydrogen fuel cells more widely used? A) Hydrogen is a gas and is therefore difficult to store and also highly explosive. B) Expensive to manufacture e.g. porous electrodes. C) Requires Petrol Stations around the country to be on board with Hydrogen Fuelling stations (Only 3 in Australia). D) All of the above. Show Answer Correct Answer: D) All of the above. 37. What is the angle between the hydrogen-oxygen-hydrogen atoms in a water molecule? A) 90 degrees. B) 104.5 degrees. C) 120 degrees. D) 180 degrees. Show Answer Correct Answer: B) 104.5 degrees. 38. Lead metal cannot be used to prepare Hydrogen gas from hydrochloric acid, because A) Lead is lesser reactive metal than hydrogen. B) Lead chloride can oxidize hydrogen into water. C) Lead is an inert metal. D) Insoluble lead chloride will form to coat the metal. Show Answer Correct Answer: D) Insoluble lead chloride will form to coat the metal. 39. Hydrogen is a ..... A) Gas. B) Solid. C) Liquid. D) None of the above. Show Answer Correct Answer: A) Gas. 40. Which type of reaction is:3Ca + 2AlCl$_{3}$ $\rightarrow$ 3CaCl$_{2 }$+$_{ }$2Al A) Decomposition. B) Synthesis. C) Double Displacement. D) Single Displacement. Show Answer Correct Answer: D) Single Displacement. 41. Which Charge Career flows through Membrane of PEM type of Fuel Cell? A) OH$^{-}$. B) H$^{+}$. C) O$^{ }$. D) None of the above. Show Answer Correct Answer: B) H$^{+}$. 42. Hydrogen can be prepared by the action of dil. H2SO4 on: A) Iron. B) Copper. C) Lead. D) Mercury. Show Answer Correct Answer: A) Iron. 43. Why is granulated zinc used for laboratory preparation of hydrogen. A) Granulated zinc is cheap. B) Granulated zinc contains an impurity copper, which acts as an negative catalyst. C) Granulated zince contains an impurity zinc which acts as an positive catalyst. D) Granulated zinc contains an impurity copper, which acts as an positive catalyst. Show Answer Correct Answer: D) Granulated zinc contains an impurity copper, which acts as an positive catalyst. 44. Like magnets, polar molecules attract to ( ..... ..... or similar charges). A) Hydrogen boning. B) Opposite charges. C) Surface tension. D) Universal solvent. Show Answer Correct Answer: B) Opposite charges. 45. H2 + Br2 $\rightarrow$ A) 2HCl. B) 2HBr. C) All the above. D) None of the above. Show Answer Correct Answer: B) 2HBr. 46. Water is a polar compound. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 47. Which of the following is not a water softener A) Na$_{2}$CO$_{3}$. B) Na$_{2}$SO$_{4 }$. C) Calgon. D) Permutit. Show Answer Correct Answer: B) Na$_{2}$SO$_{4 }$. 48. At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is a solid. This is because ..... A) Hydrogen Bonding. B) London Dispersion increases with molecular size. C) Gravitational Force. D) Dipole-Dipole. Show Answer Correct Answer: B) London Dispersion increases with molecular size. 49. The ground state is the highest energy state of an atom. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 50. What metal group is Hydrogen in? A) Alhkai Metal Group. B) Alkai Mital Group. C) Alkai Metal Group. D) Allkai Metal Group. Show Answer Correct Answer: C) Alkai Metal Group. 51. Liquefied hydrogen chloride does not conduct electricity. It shows the A) Electrovalent nature of hydrogen chloride. B) Covalent nature of hydrogen chloride. C) Neutral nature of hydrogen chloride. D) None of the above. Show Answer Correct Answer: B) Covalent nature of hydrogen chloride. 52. Fill in the blank:In a hydrogen-oxygen fuel cell, hydrogen is ..... at the anode. A) Oxidized. B) Reduced. C) Combusted. D) Neutralized. Show Answer Correct Answer: A) Oxidized. 53. Hydrogen removes metals from A) Metal nitrates. B) Metal sulphide. C) Metal hydroxide. D) Metal oxides. Show Answer Correct Answer: D) Metal oxides. 54. Any aqueous solution in which [H+] and [OH-] are equal is ..... A) A basic solution. B) A neutral solution. C) An acidic solution. D) A concentrated solution. Show Answer Correct Answer: B) A neutral solution. 55. Acidic fuel cells have ..... A) H$^{+}$ electrolyte. B) OH$^{-}$ electrolyte. C) All the above. D) None of the above. Show Answer Correct Answer: A) H$^{+}$ electrolyte. 56. FIND OUT THE PRODUCT:Zn+ NaOH $\rightarrow$ A) Zinc hydroxide and water. B) Zinc hydroxide and hydrogen. C) Sodium zincate and water. D) Sodium zincate and hydrogen. Show Answer Correct Answer: D) Sodium zincate and hydrogen. 57. Why are K, Na, and Ca not used for the production of hydrogen? A) Metals which are very reactive displace hydrogen from acids with explosive action. B) They are too below H on the reactivity series. C) They can only be used to produce hydrogen under high pressure and temperature. This pushes up the cost to make it unviable. D) None of the above. Show Answer Correct Answer: A) Metals which are very reactive displace hydrogen from acids with explosive action. 58. Hydrogen is a ..... molecule. A) Monoatomic. B) Diatomic. C) Triatomic. D) None of the above. Show Answer Correct Answer: B) Diatomic. 59. Which method can be used to obtain pure water from salty water? A) Distillation. B) Evaporation. C) Decantation. D) Filtration. Show Answer Correct Answer: A) Distillation. 60. Which atom which must be present in hydrogen bonding? A) Hydrogen. B) Sodium. C) Sulphur. D) Calcium. Show Answer Correct Answer: A) Hydrogen. ← 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books