Isolation of Elements: JEE Main 2022 Chemistry question
JEE Main 2022 · 25 Jun, Morning shift · Q1359
JEE Main 202225 Jun, Morning shiftChemistryEasyIsolation of Elements99× since 2002
Leaching of gold with dilute aqueous solution of NaCN in presence of oxygen gives complex [A], which on reaction with zinc forms the elemental gold and another complex [B]. [A] and [B], respectively are :
