Statement I : Leaching of gold with cyanide ion in absence …

Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) JEE Main 2022 Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Statement I : Leaching of gold with cyanide ion in absence of air /O 2 leads to cyano complex of Au(III).

Statement II : Zinc is oxidized during the displacement reaction carried out for gold extraction.In the light of the above statements, choose the correct answer from the options given below.

Both Statement I and Statement II are correct

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Text Solution

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The correct answer is:

Statement-1 : wrong, Au + is correct, not Au +3 Statement-2 : correct

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