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The Gibbs’ energy for the decomposition of Al2O3 at 500°C is as follows :
The potential difference needed for the electrolytic reduction of aluminium oxide (Al2O3) at 500°C is at least : [2012 M]
  • a)
    4.5 V
  • b)
    3.0 V
  • c)
    2.5 V
  • d)
    5.0 V
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The Gibbs’ energy for the decomposition of Al2O3 at 500°C is...
ΔG = -nFE°
for the reaction n 
960 × 103 = – 4 × 96500 × E°
E° = – 2.5 volt
So, it needed 2.5 volt for reduction
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The Gibbs’ energy for the decomposition of Al2O3 at 500°C is as follows :The potential difference needed for the electrolytic reduction of aluminium oxide (Al2O3) at 500°C is at least : [2012 M]a)4.5 Vb)3.0 Vc)2.5 Vd)5.0 VCorrect answer is option 'C'. Can you explain this answer?
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The Gibbs’ energy for the decomposition of Al2O3 at 500°C is as follows :The potential difference needed for the electrolytic reduction of aluminium oxide (Al2O3) at 500°C is at least : [2012 M]a)4.5 Vb)3.0 Vc)2.5 Vd)5.0 VCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The Gibbs’ energy for the decomposition of Al2O3 at 500°C is as follows :The potential difference needed for the electrolytic reduction of aluminium oxide (Al2O3) at 500°C is at least : [2012 M]a)4.5 Vb)3.0 Vc)2.5 Vd)5.0 VCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The Gibbs’ energy for the decomposition of Al2O3 at 500°C is as follows :The potential difference needed for the electrolytic reduction of aluminium oxide (Al2O3) at 500°C is at least : [2012 M]a)4.5 Vb)3.0 Vc)2.5 Vd)5.0 VCorrect answer is option 'C'. Can you explain this answer?.
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