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Extraction of metals Copy and complete the table below. You are not expected to give details of the methods of extraction in the table. Construct full and ionic equations for the reactions by which metals are extracted. Explain the need for different methods of extraction. Metal Main method(s) of extraction Chemical equation(s) for the process(es) involved (Any redox reactions should be highlighted.) Zinc 1. Roasting zinc sulfide, followed by leaching and the electrolysis of aqueous zinc sulfate(VI) 2 ZnS + 4 O2 → 2 ZnO + 2 SO3 ZnO + SO3 → ZnSO4 Zn2+ + 2 e- → Zn 2. Roasting zinc sulfide, followed by heating the resulting zinc oxide with coke (which reacts with a limited supply of oxygen to form carbon monoxide) 2 ZnS + 3 O2 → 2 ZnO + 2 SO2 ZnO + CO → Zn + CO2 Aluminium Copper Iron Magnesium Explain as fully as you can the need for different methods of extraction. Your account should include sufficient details of extraction processes to support your explanation of the need for different extraction methods for different metals. With references in Harvard style

Extraction of metals Copy and complete the table below. You are not expected to give details of the methods of extraction in the table. Construct full and ionic equations for the reactions by which metals are extracted. Explain the need for different methods of extraction. Metal Main method(s) of extraction Chemical equation(s) for the process(es) involved (Any redox reactions should be highlighted.) Zinc 1. Roasting zinc sulfide, followed by leaching and the electrolysis of aqueous zinc sulfate(VI) 2 ZnS + 4 O2 → 2 ZnO + 2 SO3 ZnO + SO3 → ZnSO4 Zn2+ + 2 e- → Zn 2. Roasting zinc sulfide, followed by heating the resulting zinc oxide with coke (which reacts with a limited supply of oxygen to form carbon monoxide) 2 ZnS + 3 O2 → 2 ZnO + 2 SO2 ZnO + CO → Zn + CO2 Aluminium Copper Iron Magnesium Explain as fully as you can the need for different methods of extraction. Your account should include sufficient details of extraction processes to support your explanation of the need for different extraction methods for different metals. With references in Harvard style

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter16: Solubility And Precipitation Equilibria
Section: Chapter Questions
Problem 44P
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Extraction of metals Copy and complete the table below. You are not expected to give details of the methods of extraction in the table. Construct full and ionic equations for the reactions by which metals are extracted. Explain the need for different methods of extraction. Metal Main method(s) of extraction Chemical equation(s) for the process(es) involved (Any redox reactions should be highlighted.) Zinc 1. Roasting zinc sulfide, followed by leaching and the electrolysis of aqueous zinc sulfate(VI) 2 ZnS + 4 O2 → 2 ZnO + 2 SO3 ZnO + SO3 → ZnSO4 Zn2+ + 2 e- → Zn 2. Roasting zinc sulfide, followed by heating the resulting zinc oxide with coke (which reacts with a limited supply of oxygen to form carbon monoxide) 2 ZnS + 3 O2 → 2 ZnO + 2 SO2 ZnO + CO → Zn + CO2 Aluminium Copper Iron Magnesium Explain as fully as you can the need for different methods of extraction. Your account should include sufficient details of extraction processes to support your explanation of the need for different extraction methods for different metals. With references in Harvard style
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