Statement-1:Extraction of gold from its native ore involves leaching the metal ore with dilute solution of NaCN in presence of air. Statement-2:This i
Statement-1:Extraction of gold from its native ore involves leaching the metal ore with dilute solution of NaCN in presence of air.
Statement-2:This is an oxidation reaction and leads to the formation of a soluble complex.
A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
C. Statement-1 is True, Statement-2 is False.
D. Statement-1 is False, Statement-2 is True.
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Correct Answer - A
`Au(s)oversetO_2toAu^+(aq.)`
`Au^+ + 2CN^(-) (aq.) to [Au(CN)_2]^(-)` soluble complex.
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