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Solubility Rules .
Chpt. 4
Question | Answer |
---|---|
1. Salts of ______ and group __________ are ALWAYS SOLUBLE | ammonium (NH4 1+) and group IA are SOLUBLE |
2a. All chlorides (Cl 1-) are SOLUBLE except ____, ____, and ____ which are INSOLUBLE | AgCl, Hg2Cl2, and PbCl2 are INSOLUBLE |
2b. All bromides (Br 1-) are SOLUBLE except ____, ____, ____, and ____ which are INSOLUBLE | AgBr, Hg2Br2, HgBr2, and PbBr2 are INSOLUBLE |
2c. All iodides (I 1-) are soluble except ____, ____, ____, and ____ which are INSOLUBLE | AgI, Hg2I2, HgI2, and PbI2 are INSOLUBLE |
2 (summary). What three "ides" are soluble except when combines with Ag, Hg, and Pb? | Chlorides, bromides, and iodides (All in group VIIA) |
3. Which polyatomic "ates" are SOLUBLE? | chlorates (ClO3 1-), nitrates (NO3 1-) and acetates (C2H3O2 1-) are SOLUBLE |
4. Sulfates (SO4 2-) are soluble except ____, ____, ____, ____, ____, ____, and ____ which are insoluble. (Hint: first three are in the same group, last 4 are 3 transition metal combos) | CaSO4, SrSO4, BaSO4 (group IIA), Hg2SO4, HgSO4, PbSO4, and Ag2SO4 are INSOLUBLE |
5. Phosphates (P04 3-) and carbonates (CO3 2-) are _____ (soluble or insoluble) except for ____ and Group ____ compounds. | Phosphates and carbonates are INSOLUBLE except for NH4 1+ and group IA compounds. |
6. All metallic oxides (O 2-) are INSOLUBLE except ____ and Group ____ compounds | All metallic oxides (O 2-) are INSOLUBLE except NH4 1+ and Group IA compounds. |
7. All metallic hydroxides (OH 1-) are INSOLUBLE except ____ and Group ____ and Group ____ from ____ down. | All metallic hydroxides (OH 1-) are INSOLUBLE except NH4 1+ and Group IA and Group IIA from Ca down (Ca, Sr, Ba, and Ra). |
8. All sulfides (S 2-) are INSOLUBLE except ____ and Groups ____ and ____ | All sulfides (S 2-) are INSOLUBLE except NH4 1+ and Groups IA and IIA |