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AP Chemistry: Friendly Solubility Rules

AP Chemistry: Friendly Solubility Rules

By Madoka-Ryoko11, Oct 2008

Subjects: chemistry solubility

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True or False? Any negative ion + Alkali Metal ions = soluble	True	All common salts are soluble.
True or False? Any negative ion + Ammonium (NH ^4+) ≠ soluble	False *Any negative ion + Ammonium is soluble.
True or False? NO3 ¯ + Any negative ion = soluble	False *NO3 ¯ + positive ion = soluble	All common nitrates and acetates are soluble.
True or False? CH3COO ¯ + Ag = soluble	False *Acetate is soluble with any positive ion except Ag and Hg²+.
Soluble or Insoluble? Cl ¯ + Hg2 ²+	Insoluble *Cloride, Bromide, and Iodide is insoluble with Silver, Lead, and Mercury (I).	All binary compounds of the halogens (other than F) are soluble with metals, except silver, mercury (I), lead, and copper (I).
Soluble or Insoluble? Cl ¯ + Cs	Soluble *Cloride, Bromide, and Iodide is soluble with any positive ion EXCEPT Silver, Lead, and Mercury (I).
Soluble or Insoluble? SO4 ²¯ + Ba	Insoluble *Sulfate with any Alkaline Earth Metals, or Silver, Lead, and Mercury (I) and (II)are insoluble.
Soluble or Insoluble? S ²¯ + 2H	Insoluble *Sulfide is soluble with Alkaline Earth, Alkali, and Ammonium. Any other positive ion makes sulfide insoluble
Name the solubility rules for the Hydroxide (OH ¯) ion.	1. Soluble with Alkali ions 2. Soluble with Ammonium 3. Insoluble with any other positive ion (i.e Alkaline Earth).
Which is not true for Phosphate, Carbonate, and Sulfite? A.) Soluble with Alkali ions B.) Soluble with Alkaline ions c.) Has the same set of rules as Hydroxide ions D.) All are true.	Answer: B *Phosphates, Carbonates, and Sulftes have ths same solubility rules as OH ¯. They are not soluble with Alkaline Earth ions.	Except for common salts of Group 1, carbonates, hydroxides, oxides and phosphates are insoluble.