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Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction is
Al3+ + 3e-→ Alº 
To prepare 5.12 kg of aluminium metal by this method would require -    
[AIEEE-2005]
  • a)
    1.83 × 107 C of electricity
  • b)
    5.49 × 107 C of electricity
  • c)
    5.49 × 101 C of electricity
  • d)
    5.49 × 104 C of electricity
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Aluminium oxide may be electrolysed at 1000ºC to furnish aluminiu...
The correct answer is option B
Al3+ + 3e− → Al
w = zQ
where w = amount of metal
=5.12kg = 5.12 × 103g
z = electrochemical equivalent
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Community Answer
Aluminium oxide may be electrolysed at 1000ºC to furnish aluminiu...
The correct answer is option B
Al3+ + 3e− → Al
w = zQ
where w = amount of metal
=5.12kg = 5.12 × 103g
z = electrochemical equivalent
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Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer?
Question Description
Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
Here you can find the meaning of Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Aluminium oxide may be electrolysed at 1000ºC to furnish aluminium metal (At. Mass=27 amu ; 1 Faraday = 96,500 Coulombs). The cathode reaction isAl3++ 3e-→AlºTo prepare 5.12 kg of aluminium metal by this method would require - [AIEEE-2005]a)1.83 × 107C of electricityb)5.49 × 107C of electricityc)5.49 × 101C of electricityd)5.49 × 104C of electricityCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 12 tests.
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