{"id":755486,"date":"2025-01-28T17:27:55","date_gmt":"2025-01-28T11:57:55","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=755486"},"modified":"2025-01-28T17:27:55","modified_gmt":"2025-01-28T11:57:55","slug":"class-11-chemistry-chapter-9-hydrogen-mcqs-with-answers","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-chemistry\/hydrogen\/","title":{"rendered":"Class 11 Chemistry Chapter 9 Hydrogen MCQs with Answers"},"content":{"rendered":"

Chapter 8, Hydrogen, is an essential part of e Class 11 Chemistry MCQs<\/a><\/strong>,, and here you will find multiple-choice questions (MCQ<\/a><\/strong>) with answers based on the CBSE syllabus<\/a><\/strong> and the latest curriculum. These MCQs are designed to help students revise the key concepts of the chapter effectively. Practicing these questions enables students to strengthen their understanding, prepare for Class 11 annual exams, and perform well in competitive exams like NEET<\/a> <\/strong>and JEE<\/a><\/strong>.<\/p>\n

Class 11 Hydrogen MCQs – Question with Answers<\/h2>\n
    \n
  1. Which is the most abundant element in the universe?<\/strong>
    \na) Oxygen
    \nb) Nitrogen
    \nc) Hydrogen
    \nd) Helium
    \nAnswer:<\/strong> c) Hydrogen<\/li>\n
  2. What is the isotopic form of hydrogen with one neutron?<\/strong>
    \na) Protium
    \nb) Deuterium
    \nc) Tritium
    \nd) None of these
    \nAnswer:<\/strong> b) Deuterium<\/li>\n
  3. Which of the following isotopes of hydrogen is radioactive?<\/strong>
    \na) Protium
    \nb) Deuterium
    \nc) Tritium
    \nd) None
    \nAnswer:<\/strong> c) Tritium<\/li>\n
  4. What is the chemical formula of water gas?<\/strong>
    \na) H\u2082O
    \nb) CO + H\u2082
    \nc) CO\u2082 + H\u2082O
    \nd) CH\u2084
    \nAnswer:<\/strong> b) CO + H\u2082<\/li>\n
  5. What is the oxidation state of hydrogen in H\u2082O?<\/strong>
    \na) 0
    \nb) -1
    \nc) +1
    \nd) +2
    \nAnswer:<\/strong> c) +1<\/li>\n
  6. Which metal reacts with water to release hydrogen gas?<\/strong>
    \na) Gold
    \nb) Copper
    \nc) Sodium
    \nd) Lead
    \nAnswer:<\/strong> c) Sodium<\/li>\n
  7. Which of the following is a reducing agent?<\/strong>
    \na) O\u2082
    \nb) N\u2082
    \nc) H\u2082
    \nd) CO\u2082
    \nAnswer:<\/strong> c) H\u2082<\/li>\n
  8. What is the bond angle in a water molecule (H\u2082O)?<\/strong>
    \na) 90\u00b0
    \nb) 104.5\u00b0
    \nc) 120\u00b0
    \nd) 180\u00b0
    \nAnswer:<\/strong> b) 104.5\u00b0<\/li>\n
  9. Which of the following is a method for preparing hydrogen gas?<\/strong>
    \na) Electrolysis of water
    \nb) Heating sodium chloride
    \nc) Reaction of sodium bicarbonate with acid
    \nd) Oxidation of oxygen
    \nAnswer:<\/strong> a) Electrolysis of water<\/li>\n
  10. What is the name of the process in which hydrogen is combined with nitrogen to form ammonia?<\/strong>
    \na) Ostwald process
    \nb) Haber process
    \nc) Contact process
    \nd) Solvay process
    \nAnswer:<\/strong> b) Haber process<\/li>\n
  11. Which compound is called heavy water?<\/strong>
    \na) H\u2082O
    \nb) D\u2082O
    \nc) H\u2082O\u2082
    \nd) H\u2082S
    \nAnswer:<\/strong> b) D\u2082O<\/li>\n
  12. Which type of bond exists in a hydrogen molecule (H\u2082)?<\/strong>
    \na) Ionic
    \nb) Covalent
    \nc) Metallic
    \nd) Hydrogen
    \nAnswer:<\/strong> b) Covalent<\/li>\n
  13. Which gas is produced when zinc reacts with dilute hydrochloric acid?<\/strong>
    \na) Oxygen
    \nb) Hydrogen
    \nc) Nitrogen
    \nd) Carbon dioxide
    \nAnswer:<\/strong> b) Hydrogen<\/li>\n
  14. What is the hybridization of oxygen in the H\u2082O molecule?<\/strong>
    \na) sp
    \nb) sp\u00b2
    \nc) sp\u00b3
    \nd) None of these
    \nAnswer:<\/strong> c) sp\u00b3<\/li>\n
  15. What is the industrial use of hydrogen in the oil industry?<\/strong>
    \na) Cracking of hydrocarbons
    \nb) Production of gasoline
    \nc) Hydrogenation of oils
    \nd) Dehydration of alcohol
    \nAnswer:<\/strong> c) Hydrogenation of oils<\/li>\n
  16. Which of the following is not a property of hydrogen?<\/strong>
    \na) It is colorless.
    \nb) It is odorless.
    \nc) It is heavier than air.
    \nd) It is highly flammable.
    \nAnswer:<\/strong> c) It is heavier than air.<\/li>\n
  17. Which hydride is ionic in nature?<\/strong>
    \na) LiH
    \nb) NH\u2083
    \nc) CH\u2084
    \nd) H\u2082O
    \nAnswer:<\/strong> a) LiH<\/li>\n
  18. What is the function of hydrogen in a fuel cell?<\/strong>
    \na) Oxidizing agent
    \nb) Reducing agent
    \nc) Neutral molecule
    \nd) Catalyst
    \nAnswer:<\/strong> b) Reducing agent<\/li>\n
  19. Which property of hydrogen makes it a good fuel?<\/strong>
    \na) High density
    \nb) Low calorific value
    \nc) High energy per gram
    \nd) Easy storage
    \nAnswer:<\/strong> c) High energy per gram<\/li>\n
  20. What is the product formed when hydrogen burns in air?<\/strong>
    \na) H\u2082O
    \nb) CO\u2082
    \nc) H\u2082O\u2082
    \nd) None of these
    \nAnswer:<\/strong> a) H\u2082O<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Chapter 8, Hydrogen, is an essential part of e Class 11 Chemistry MCQs,, and here you will find multiple-choice questions […]<\/p>\n","protected":false},"author":56,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Class 11 Chemistry","_yoast_wpseo_title":"Class 11 Chemistry MCQ \u2013 Hydrogen","_yoast_wpseo_metadesc":"Practice Class 11 Chemistry Chapter 9 MCQs on Hydrogen, designed for CBSE, ICSE, IGCSE, NCERT, and State Level Exams!","custom_permalink":"mcqs\/class-11-chemistry\/hydrogen\/"},"categories":[11038],"tags":[],"table_tags":[],"acf":[],"yoast_head":"\nClass 11 Chemistry MCQ \u2013 Hydrogen<\/title>\n<meta name=\"description\" content=\"Practice Class 11 Chemistry Chapter 9 MCQs on Hydrogen, designed for CBSE, ICSE, IGCSE, NCERT, and State Level Exams!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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