If the following ions[tex]Mg^{+2}[/tex],[tex]Cl^{-}[/tex], [tex]Sr^{+2}[/tex], [tex]OH^{-}[/tex] are placed in a test tube, the precipitate formed is [tex]Mg(OH)_{2}[/tex]
What is precipitation reaction?
- The chemical reaction in which white color insoluble substance formed in water is called precipitation reaction.
- The white solid substance accumulate at the surface or separate from the reaction is called precipitate.
Why participate forms?
- When particular cation and particular anion in a aqueous solution combine to form an insoluble ionic solid.
- The reaction form precipitate or not is decide by solubility rules.
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