Gold is isolated from rocks by reaction with aqueous cyanide, CN:4 Au (s) + 8 NaCN (aq) + O 2 (g) + H 2 O (l) longrightarrow 4 Na[Au (CN) 2 ] (aq) + 4 NaOH (aq). (a) Which atoms from which compounds are being oxidized, and which at oms from which compounds are being reduced?
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Home » Chemistry » Gold is isolated from rocks by reaction with aqueous cyanide, CN:4 Au (s) + 8 NaCN (aq) + O 2 (g) + H 2 O (l) longrightarrow 4 Na[Au (CN) 2 ] (aq) + 4 NaOH (aq).