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Question
Write the observation for the following:
Excess NH4OH is added to a substance obtained by adding hydrochloric acid in silver nitrate solution.
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Solution
Silver chloride is formed on adding hydrochloric acid in silver nitrate solution. On adding excess of ammonium chloride, white ppt. gets dissolved.
\[\ce{2AgCl(s) + 2NH4OH(aq) -> Ag2O(s) + H2O(I) + 2NH4Cl(aq)}\]
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