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  4. Precipitate of AgCl is soluble in liquid NH3 , the compound forms

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Q. Precipitate of $AgCl$ is soluble in liquid $ NH_3 $ , the compound forms

UPSEEUPSEE 2009

Solution:

When liquid $NH _{3}$ is added to the precipitate of $AgCl$ , it dissolves due to the formation of a soluble complex diammine silver (I) chloride.

$AgCl +\underset{\text{liquid} NH_3}{2 NH _{4} OH} \rightarrow \underset{\text{diammine silver (I) chloride}}{[ Ag ( NH _{3})_{2}] Cl} +2 H _{2} O$