Question

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.

• A. Both Statement I and Statement II are correct
• B. Both Statement I and Statement II are incorrect
• C. Statement I is correct but Statement II is incorrect
• D. Statement I is incorrect but Statement II is correct

Answer 1

Answer: (D)

Statement-1 : wrong, $A{u}^{+}$is correct, not $A{u}^{+3}$
Statement-2 : correct