1.

Intheprocess ofextractionof gold, Roastedgoldore+CN^(-)+ H_ 2 Ooverset (O_ 2 ) to[X] +O H ^( -)""[X] +Znto[Y] +AuIdentifythecomplexes [X] and [Y]

Answer»

` X =[AU(CN)_2] ^(-),Y=[Zn (CN)_4] ^(2-) `
` X =[Au(CN)_4)] ^( 2 - ), Y=[Zn(CN)_4 ] ^(2-) `
` X =[Au(CN ) _ 2] ^(-),Y=[Zn (CN)_ 6 ] ^( 4 -) `
` X =[Au(CN)_4] ^( -) ,Y=[Zn(CN)_4]^(2- ) `

Answer :A


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