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Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?
(AIEEE 2008)
  • a)
    Metal sulphides are thermodynamically more stable than CS2
  • b)
    CO2 is thermodynamically more stable than CS2
  • c)
    Metal sulphides are less stable than the corresponding oxides
  • d)
    CO2 is more volatile than CS2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following factors is of no significance for roasting sulp...

The value of ΔG for the formation of CO2 is negative , i.e. it is thermodynamically more stable than CS2. Also, metal sulphides are thermodynamically more stable than CS2.
Metal sulphides are more stable than the corresponding oxides, so they are roasted to convert into less stable oxides.
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Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?(AIEEE2008)a)Metal sulphides are thermodynamically more stable than CS2b)CO2 is thermodynamically more stable than CS2c)Metal sulphides are less stable than the corresponding oxidesd)CO2 is more volatile than CS2Correct answer is option 'C'. Can you explain this answer?
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Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?(AIEEE2008)a)Metal sulphides are thermodynamically more stable than CS2b)CO2 is thermodynamically more stable than CS2c)Metal sulphides are less stable than the corresponding oxidesd)CO2 is more volatile than CS2Correct answer is option 'C'. 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 Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?(AIEEE2008)a)Metal sulphides are thermodynamically more stable than CS2b)CO2 is thermodynamically more stable than CS2c)Metal sulphides are less stable than the corresponding oxidesd)CO2 is more volatile than CS2Correct answer is option 'C'. 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 Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?(AIEEE2008)a)Metal sulphides are thermodynamically more stable than CS2b)CO2 is thermodynamically more stable than CS2c)Metal sulphides are less stable than the corresponding oxidesd)CO2 is more volatile than CS2Correct answer is option 'C'. Can you explain this answer?.
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