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Question
In which of the following pair of metals, both are commercially extracted from their respective ores by carbon reduction method?
In which of the following pair of metals, both are commercially extracted from their respective ores by carbon reduction method?
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Solution
The correct option is D Zn,Sn
Carbon reduction is used for such metals which are moderately reactive like Pb, Fe, Sn, ZnA) Al, Ag:- Al is highly reactive and is extracted by electrolytic and Ag is least reactive so it is extracted by self reduction. Therefore, incorrectB) Zn, Cu:- Zn is reduced by carbon reduction as it is moderately reactive and Cu is least reactive so it is extracted by self reduction. Therefore, incorrect. C) Fe, Cu:- Cu is extracted by self reduction Therefore, Incorrect.D) Zn, Sn:- Both Sn and Zn are moderately reactive. Therefore they are extracted by Carbon reduction.Therefore, Correct Option D is correct.
Carbon reduction is used for such metals which are moderately reactive like Pb, Fe, Sn, Zn
A) Al, Ag:- Al is highly reactive and is extracted by electrolytic and Ag is least reactive so it is extracted by self reduction.
Therefore, incorrect
B) Zn, Cu:- Zn is reduced by carbon reduction as it is moderately reactive and Cu is least reactive so it is extracted by self reduction.
Therefore, incorrect.
C) Fe, Cu:- Cu is extracted by self reduction
Therefore, Incorrect.
D) Zn, Sn:- Both Sn and Zn are moderately reactive. Therefore they are extracted by Carbon reduction.
Therefore, Correct
Option D is correct.
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