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Why is zinc not extracted from zinc oxide through reduction using CO? - Chemistry

Why is zinc not extracted from zinc oxide through reduction using CO?

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Solution

The standard Gibbs free energy of formation of ZnO from Zn is lower than that of CO2 from CO. Therefore, CO cannot reduce ZnO to Zn. Hence, Zn is not extracted from ZnO through reduction using CO.

Concept: Thermodynamic Principles of Metallurgy
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APPEARS IN

NCERT Class 12 Chemistry Textbook
Chapter 6 General Principles and Processes of Isolation of Elements
Q 20 | Page 164
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