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Question: Answered & Verified by Expert
Consider the following reaction
2XS+3O2Δ2XO+2SO2
2XO+XS Δ 3X+SO 2
The 'X' cannot be
ChemistryGeneral Principles and Processes of Isolation of MetalsJEE Main
Options:
  • A Hg
  • B Pb
  • C Zn
  • D Cu
Solution:
2640 Upvotes Verified Answer
The correct answer is: Zn
Here X cannot be Zn as Zn is extracted from its sulphide ore by roasting followed by carbon reduction Hg, Pb and Cu are extracted by self reduction from their sulphide ores.

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