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  2. Chapter 1 Class 10 - Chemical Reactions and Equations
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Question 11 - MCQs from NCERT Exemplar - Chapter 1 Class 10 - Chemical Reactions and Equations

Last updated at Dec. 16, 2024 by Teachoo

Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is

(A) 1:1

(B) 2:1

(C) 4:1

(D) 1:2

 

Answer

The electrolysis of water takes place as:

Since

  • 2 Moles Hydrogen gas
  • And 1 Mole Oxygen gas is liberated

 

So, the correct option is (b) 2:1

  1. Class 10
  2. Chapter 1 Class 10 - Chemical Reactions and Equations

    3. MCQs from NCERT Exemplar

    Chapter 2 Class 10 - Acids, Bases and Salts →
Chapter 2 Class 10 - Acids, Bases and Salts →
Class 10
Chapter 1 Class 10 - Chemical Reactions and Equations

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo