Coordination number of Ag in [Ag(CN)₂]⁻:
A6
B2 (linear)
C4
D1
Answer & Solution
Correct answer: B. 2 (linear)
[Ag(CN)₂]⁻ is linear (2-coordinate). Common for d¹⁰ Ag(I), Au(I), Cu(I). Hybridization: sp. Used in extraction of Ag and Au from ores (cyanide leaching).
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