Class 7 Exam > Class 7 Questions > Amout of gas collected at cathode and anode d...
Start Learning for Free
Amout of gas collected at cathode and anode duting wlectrolysis if water?
Most Upvoted Answer
Amout of gas collected at cathode and anode duting wlectrolysis if wat...
Gas Collected at Cathode and Anode during Electrolysis of Water
During the process of electrolysis of water, water molecules are broken down into their constituent elements, hydrogen (H2) and oxygen (O2). This process occurs in an electrolytic cell, which consists of two electrodes, namely the cathode and the anode.
Cathode:
- Gas Collected: Hydrogen (H2)
- Reaction: At the cathode, water molecules gain electrons and are reduced. The reduction reaction can be represented as follows: 2H2O + 2e- → 2OH- + H2
- Explanation: The cathode attracts positively charged ions, known as cations. In the case of electrolysis of water, the cations present are hydrogen ions (H+). When these hydrogen ions come into contact with the cathode, they gain electrons from the cathode and are converted into hydrogen gas (H2). This gas is then collected at the cathode.
Anode:
- Gas Collected: Oxygen (O2)
- Reaction: At the anode, water molecules lose electrons and are oxidized. The oxidation reaction can be represented as follows: 4OH- → 2H2O + O2 + 4e-
- Explanation: The anode attracts negatively charged ions, known as anions. In the case of electrolysis of water, the anions present are hydroxide ions (OH-). When these hydroxide ions come into contact with the anode, they lose electrons to the anode and are converted into oxygen gas (O2). This gas is then collected at the anode.
Summary:
In summary, during the electrolysis of water, hydrogen gas (H2) is collected at the cathode due to the reduction of hydrogen ions (H+), while oxygen gas (O2) is collected at the anode due to the oxidation of hydroxide ions (OH-). This process allows for the separation of water into its constituent elements.
It is important to note that the amount of gas collected at the cathode and anode is directly proportional to the amount of electricity passed through the electrolytic cell. The more electricity passed, the greater the amount of gas collected. Additionally, the purity of the gases collected can be influenced by factors such as the concentration of electrolyte and the presence of impurities in the water.
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
Amout of gas collected at cathode and anode duting wlectrolysis if water?
Question Description
Amout of gas collected at cathode and anode duting wlectrolysis if water? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Amout of gas collected at cathode and anode duting wlectrolysis if water? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Amout of gas collected at cathode and anode duting wlectrolysis if water?.
Amout of gas collected at cathode and anode duting wlectrolysis if water? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Amout of gas collected at cathode and anode duting wlectrolysis if water? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Amout of gas collected at cathode and anode duting wlectrolysis if water?.
Solutions for Amout of gas collected at cathode and anode duting wlectrolysis if water? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of Amout of gas collected at cathode and anode duting wlectrolysis if water? defined & explained in the simplest way possible. Besides giving the explanation of
Amout of gas collected at cathode and anode duting wlectrolysis if water?, a detailed solution for Amout of gas collected at cathode and anode duting wlectrolysis if water? has been provided alongside types of Amout of gas collected at cathode and anode duting wlectrolysis if water? theory, EduRev gives you an
ample number of questions to practice Amout of gas collected at cathode and anode duting wlectrolysis if water? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup