Answer :
Most group I alkali metals, including cations and anion such as NH4+, HCO3-, ClO3-, and NO3-, are always soluble. Nearly all halides are soluble.
What is Net Ionic Equations ?
For the synthesis of silver chloride precipitate, we can formulate the following molecular equation:
NaCl+AgNO3→NaNO3+AgCl
The associated ionic equation is as follows:
Na+(aq)+Cl−(aq)+Ag+(aq)+NO−3(aq)→Na+(aq)+NO−3(aq)+AgCl(s)
The sodium ion and the nitrate ion can be seen as unchanged on both sides of the ionic equation if you pay close attention to it. Both the Na+ and the NO3 ions are absent from the process when the two solutions are combined. They might be taken out of the reaction.
Na+(aq)+Cl−(aq)+Ag+(aq)+NO−3(aq)→Na+(aq)+NO−3(aq)+AgCl(s)
An ion known as a spectator ion is one that is present in solution both before and after a chemical reaction but does not participate in it. Both the sodium ion and the nitrate ion are spectator ions in the aforementioned process. Without the spectator ions, the equation can now be stated as follows:
Ag+(aq)+Cl−(aq)→AgCl(s)
The chemical equation known as the net ionic equation only displays the substances that are directly involved in the chemical process. The silver cation, which is positively charged, was listed first on the reactant side of the net ionic equation, followed by the chloride anion, which is negatively charged. Because that is the sequence in which the ions must be recorded in the silver chloride product, this is rather usual. The order of the reactants does not necessarily have to be this way, though.
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