The metal extracted by leaching with a cyanide is
As we learnt in
Leaching -
In this process we use suitable agent which react with ore to form water soluble complex while impurities are insoluble
- wherein
Ag2S +NaCN Na [Ag (CN)2]
Na [Ag (CN)2] + Zn Na2 [Zn(CN)4] +Ag
Ag forms a water soluble complex with cyanide while the impurities are insoluble
Ag2S+4NaCN-2Na (Ag (CN)2)+Na2S
Option 1)
This option is incorrect
Option 2)
This option is correct
Option 3)
This option is incorrect
Option 4)
This option is incorrect
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