A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the solution, a white precipitate is obtained which does not dissolve in dil. Hno3 the anion could be
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cl-( nacl+h2o =naoh. white ppt of agcl
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The salt of Silver that is insoluble is any halide salt of Silver.
In this case we have the Chloride ions since the precipitate is white.
With the other halides the precipitates are as follows:
Fluoride ions = No precipitate.
Bromium ions = Pale cream precipitate.
Iodide ions = Pale yellow precipitate.
The correct halide is thus Chloride ions.
The Sodium salt is therefore :
Sodium Chloride.
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