COMEDK · Chemistry · 21. General Principles and Processes of Isolation of Metals
In Goldschmidt aluminothermic process, thermite contains
- A \(3\) parts of \(\mathrm{Al}_{2} \mathrm{O}_{3}\) and \(4\) parts of \(\mathrm{Al}\)
- B \(3\) parts of \(\mathrm{Fe}_{2} \mathrm{O}_{3}\) and \(2\) parts of \(\mathrm{Al}\)
- C \(3\) parts of \(\mathrm{Fe}_{2} \mathrm{O}_{3}\) and \(1\) part of \(\mathrm{Al}\)
- D \(1\) part of \(\mathrm{Fe}_{2} \mathrm{O}_{3}\) and \(1\) part of \(\mathrm{Al}\)
Answer & Solution
Correct Answer
(C) \(3\) parts of \(\mathrm{Fe}_{2} \mathrm{O}_{3}\) and \(1\) part of \(\mathrm{Al}\)
Step-by-step Solution
Detailed explanation
In Goldschmidt aluminothermic process, thermite contains 3 parts of \(\mathrm{Fe}_{2} \mathrm{O}_{3}\) and 1 part of aluminium \((\mathrm{Al})\). \[ \mathrm{Fe}_{2} \mathrm{O}_{3}+2 \mathrm{Al} \longrightarrow \mathrm{Al}_{2} \mathrm{O}_{3}+2 \mathrm{Fe}+\text { Heat } \]
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