A) Z is \[{{[\text{Zn}{{(\text{CN})}_{4}}]}^{2\,-}}\]
B) R is \[[\text{Au}{{(\text{CN})}_{4}}]{{\,}^{-}}\]
C) T is Zn
D) \[\text{Q}\,\text{is}\,{{\text{O}}_{2}}\]
Correct Answer: A , C , D
Solution :
(i) \[Au+\underset{+{{H}_{2}}O}{\mathop{C{{N}^{-}}}}\,+\underset{''Q''}{\mathop{{{O}_{2}}}}\,\to \,{{\underset{''R''}{\mathop{(Au{{(CN)}_{2}})}}\,}^{-}}+O{{H}^{-}}\] (ii) \[{{\underset{''R''}{\mathop{[Au{{(CN)}_{2}}]}}\,}^{-}}+\underset{''T''}{\mathop{Zn}}\,\to \underset{''Z''}{\mathop{{{[Zn{{(CN)}_{4}}]}^{2\,-}}}}\,\,+\,Au\]Solution :
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