This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. H2O2 is the hydride of A) O2. B) H2O. C) Both. D) None of them. Show Answer Correct Answer: A) O2. 2. Which of the following substances is used as a drying agent for hydrogen gas? A) Quicklime (CaO). B) Concentrated sulphuric acid. C) Calcium chloride. D) Silica gel. Show Answer Correct Answer: C) Calcium chloride. 3. The pH of a strong acid would be: A) 1-2. B) 5-6. C) 8-9. D) 12-13. Show Answer Correct Answer: A) 1-2. 4. Which statement describes characteristics of a 0.01 M KOH(aq) solution? A) The solution is acidic with a pH less than 7. B) The solution is acidic with a pH greater than 7. C) The solution is basic with a pH less than 7. D) The solution is basic with a pH greater than 7. Show Answer Correct Answer: D) The solution is basic with a pH greater than 7. 5. What is fed into the cathode compartment of the hydrogen fuel cell? A) Hydrogen gas. B) Oxygen gas. C) Water. D) None of the above. Show Answer Correct Answer: B) Oxygen gas. 6. Explain how hydrogen bonds influence the boiling point of water. A) Hydrogen bonds increase the boiling point of water by decreasing the energy required to break them. B) Hydrogen bonds lower the boiling point of water by weakening intermolecular forces. C) Hydrogen bonds have no effect on the boiling point of water. D) Hydrogen bonds raise the boiling point of water by requiring more energy to break the strong intermolecular forces. Show Answer Correct Answer: D) Hydrogen bonds raise the boiling point of water by requiring more energy to break the strong intermolecular forces. 7. What is the effect of temperature on hydrogen bonding? A) Higher temperatures strengthen hydrogen bonding. B) Temperature has no effect on hydrogen bonding. C) Higher temperatures weaken hydrogen bonding. D) Lower temperatures weaken hydrogen bonding. Show Answer Correct Answer: C) Higher temperatures weaken hydrogen bonding. 8. What is the main factor that determines the boiling point of a substance? A) Hydrogen bonding. B) Ionic bonding. C) Dispersion interactions. D) Dipole-dipole interactions. Show Answer Correct Answer: A) Hydrogen bonding. 9. What is the difference between a battery and a fuel cell? A) Fuel cells are cheaper than batteries. B) A fuel cell can be used only in a car, while batteries have lots of uses. C) A battery eventually dies, but a fuel cell continually recharges itself. D) None of the above. Show Answer Correct Answer: C) A battery eventually dies, but a fuel cell continually recharges itself. 10. What is the test for Oxygen gas? A) Litmus paper. B) Glowing splint. C) "Pop" sound. D) Red flame. Show Answer Correct Answer: B) Glowing splint. 11. Commercially H is prepared by A) Bosch process. B) Ostwald process. C) Both. D) None of the above. Show Answer Correct Answer: A) Bosch process. 12. Hydrogen has isotopes A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 13. A:Dihydrogen is inert in natureB:It has high H-H bond enthalpy. A) A is true but B is false. B) A is false but B is true. C) A and B are true but B is not the correct explanation of A. D) A and B are true and B is correct explanation of A. Show Answer Correct Answer: D) A and B are true and B is correct explanation of A. 14. Which of the following quantum numbers describes the size of an atomic orbital? A) "n". B) "l". C) "m". D) Size of orbital is not define. Show Answer Correct Answer: A) "n". 15. Which is the strongest intermolecular force below" A) Ion-ion. B) Ion-dipole. C) H-bonding. D) London Dispersion Forces. Show Answer Correct Answer: A) Ion-ion. 16. What is a common use of hydrogen fuel cells today? A) Powering smartphones. B) Running household appliances. C) Fueling vehicles. D) Heating homes. Show Answer Correct Answer: C) Fueling vehicles. 17. The promoter used in the Bosch process is: A) Iron oxide. B) Chromic oxide. C) Molybdenum. D) Copper. Show Answer Correct Answer: B) Chromic oxide. 18. Hydrogen is odorless, colorless and tasteless gas A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. In a chemistry lab experiment, Krish is observing the reaction taking place in a shift converter. Which of the following reactions is he likely to observe? A) [CO + H2] + H2O $\rightarrow$ CO2 + H2. B) C + H2O $\rightarrow$ [CO+H2]. C) All the above. D) None of the above. Show Answer Correct Answer: A) [CO + H2] + H2O $\rightarrow$ CO2 + H2. 20. Which of the following statements about hydrogen are correct? A) Hydrogen has three isotopes of which deuterium is the most common. B) Hydrogen never acts as cation in ionic salts. C) Hydrogen ion, H, exists freely in solution. D) Dihydrogen does not act as a reducing agent. Show Answer Correct Answer: B) Hydrogen never acts as cation in ionic salts. 21. Given a salt, predict an acid-base pair which would produce the salt:KBr A) NH$_{4}$OH + HF. B) KH + OHBr. C) KOH + HBr. D) Ca(OH)$_{2}$ + HCl. Show Answer Correct Answer: C) KOH + HBr. 22. Which of the following is electron-deficient? A) (BH$_{3}$)$_{2}$. B) PH$_{3}$. C) (CH$_{3}$)$_{2}$. D) (SiH$_{3}$)$_{2}$. Show Answer Correct Answer: A) (BH$_{3}$)$_{2}$. 23. Which is a colloid? A) Air. B) Rice in water. C) Fog. D) Rain water. Show Answer Correct Answer: C) Fog. 24. An acid which can not give hydrogen gas with metal A) Sulphuric acid. B) Hydrochloric acid. C) Nitric acid. D) Carbonic acid. Show Answer Correct Answer: C) Nitric acid. 25. What is the balanced overall equation for a hydrogen fuel cell? A) 2H$_{2}$(g) + O$_{2}$(g) $\rightarrow$ 2H$_{2}$O(l). B) 2H$_{2}$O(l) + O$_{2}$(g) + $\rightarrow$ 4OH$^{-}$(aq). C) H$_{2}$(g) + O$_{2}$(g) $\rightarrow$ 2H$_{2}$O(l). D) H$_{2}$ (g) + 2OH$^{-}$(aq) $\rightarrow$ 2H$_{2}$O(l). Show Answer Correct Answer: A) 2H$_{2}$(g) + O$_{2}$(g) $\rightarrow$ 2H$_{2}$O(l). ← PreviousNext →Related QuizzesClass 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 1Class 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 10Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books