Sulphides ores are converted to oxides before reduction. Th…

Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Sulphides ores are converted to oxides before reduction. This is explained on the basis of which of the following?

Sulphides cannot be reduced easily while oxides can be reduced easily.

Sulphides decompose on reduction hence they are first converted to oxides.

Sulphide ores have higher melting points than oxides

Oxides are more stable than sulphides hence easy to reduce.

Text Solution

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The correct answer is:

: Thermodynamically based on Ellingham

diagram it is observed that sulphides cannot be reduced easily as compared to oxides.

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