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JEE Advanced2019ChemistryGeneral Principles and Processes of Isolation of MetalsActual

The cyanide process of gold extraction involves leaching out gold from its ore with C N - in the presence of Q in water to form R . Subsequently, R is treated with T to obtain A u and Z . Choose the correct option(s).

Options

  1. AT is Z n
  2. BR is A u C N 4 -
  3. CZ is Z n C N 4 2 -
  4. DQ is O 2

Correct answer

A. T is Z n

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