Extraction of Metals - Result Question 67

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68. $AgCl$ dissolve in excess of $KCN$ solution to give complex compound.

$(1980)$

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Answer:

Correct Answer: 68. $ K [Ag (CN)_{2}] $

Solution:

  1. $K\left[Ag(CN) _2\right]: AgCl+2 KCN \longrightarrow K\left[Ag(CN) _2\right]+KCl$