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Questions
State one appropriate observation of the following:
A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by the addition of ammonium hydroxide solution.
State one appropriate observation when a few drops of dil. HCl are added to AgNO3 solution, followed by addition of NH4OH solution.
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Solution
When a few drops of dilute HCl are added to AgNO3 solution, a thick, curdy white precipitate of AgCl is formed. On adding excess NH4OH, the precipitate dissolves due to the formation of soluble diamminesilver(I) complex, [Ag(NH3)2]Cl.
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