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

Explore More

Similar Questions

In the process of extraction of gold,roasted gold ore reacts as follows. Identify the complexes $[X]$ and $[Y]$:
$\text{Roasted gold ore} + CN^{-} + H_2O \xrightarrow{O_2} [X] + OH^{-}$
$[X] + Zn \to [Y] + Au$

Reduction of a metal oxide in liquid state is easier than in the solid state because

Explain the thermodynamics of the extraction of iron from its oxide.

Pure $O_2$ instead of air is used to oxidise the pig iron because

Which of the following compounds is used for the extraction of aluminum by electrolysis?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo