JEE Mains Model Paper 18

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Question : 53 of 90

Marks: +1, -0

In the process of extraction of gold, Roasted gold ore +

Identify the complexes [X] and [Y].

X = [Au(CN)2]− , Y = [Zn(CN)4]2−
X = [Au(CN)4]3− , Y = [Zn(CN)4]2−
X = [Au(CN)2]− , Y = [Zn(CN)6]2−
X = [Au(CN)4]− , Y = [Zn(CN)4]2−

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