Relevant Titles
-
CBSE Class 11 Chemistry MCQs on Hydrogen and Its Role
-
NCERT-Based Hydrogen and Its Role Class 11 Chemistry Quiz
-
Important MCQs on Hydrogen and Its Role – CBSE Class 11
-
CBSE Inorganic Chemistry Chapter 9: Hydrogen Practice Questions
-
Class 11 Chemistry Online Test – Hydrogen and Its Role
Introduction Paragraph
Hydrogen and Its Role is a vital topic from Chapter 9: Hydrogen under Part B: Inorganic Chemistry of the CBSE Class 11 Chemistry syllabus. This section explores hydrogen’s unique properties, isotopes, and its diverse industrial and environmental roles. Students learn how hydrogen acts as a reducing agent, energy carrier, and a crucial element in the synthesis of important compounds like ammonia, hydrocarbons, and hydrogen peroxide.
This CBSE Class 11 Chemistry Online Practice Test is created in strict alignment with the NCERT syllabus, featuring multiple-choice questions that test conceptual clarity and application skills. Each question includes automatic scoring and detailed feedback, helping students evaluate their understanding effectively.
Designed for CBSE Board Exams, JEE, and NEET aspirants, this quiz reinforces learning through interactive problem-solving and real-world examples. Mastering the role of hydrogen prepares students for advanced chemistry topics and practical scientific reasoning.
Sample MCQs (with Answers and Explanations):
Q1. Which compound is produced when hydrogen reacts with nitrogen under Haber process conditions?
A) NH₃ B) NO C) N₂O D) HNO₃
Answer: A
Explanation: In the Haber process, hydrogen combines with nitrogen at high temperature and pressure to form ammonia (NH₃).
Q2. Which isotope of hydrogen is radioactive?
A) Protium B) Deuterium C) Tritium D) None
Answer: C
Explanation: Tritium (³H) is a radioactive isotope of hydrogen used in nuclear fusion and tracer studies.
Q3. Which property makes hydrogen a promising green fuel?
A) It forms only water on combustion B) It produces CO₂ C) It is inert D) It is metallic
Answer: A
Explanation: Hydrogen is an eco-friendly fuel since its combustion produces only water, making it a clean energy source.
Q4. Which compound of hydrogen acts as an antiseptic?
A) H₂O₂ B) NaH C) CH₄ D) NH₃
Answer: A
Explanation: Hydrogen peroxide (H₂O₂) is used as an antiseptic and disinfectant in dilute solutions.
Q5. Which type of hydride is sodium hydride (NaH)?
A) Covalent B) Ionic C) Interstitial D) Metallic
Answer: B
Explanation: Sodium hydride is an ionic hydride, containing Na⁺ and H⁻ ions, commonly used as a strong reducing agent.