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Ion Tests

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flickerfly7's version from 2016-09-04 23:11

Section 1

Question Answer
Phosphate (PO4-3)Add Ag+ for yellow cloudiness.
Sulfate (SO4-2)Add Ba+2 for white precipitate insoluble in HCl
Carbonate (CO3-2)Basic: neutralizes with acid.
Chloride (Cl-)Add Ag+ for white precipitate.
memorize

Section 2

Question Answer
Barium (Ba+)Add SO4-2 for white precipitate.
Calcium(Ca+2)Add CO3-2 for white precipitate.
Lead(Pb+2)Add I- for yellow precipitate
Copper(Cu+ / +2)Add OH- for deep blue precipitate
Iron(Fe+2)Add OH- for white precipitate which oxidises to red-brown.
Iron(Fe+3)Add OH- for red-brown gelatinous precipitate.
memorize

Section 3

Question Answer
Barium (Ba+) (Flame Test)Apple-Green Flame
Calcium(Ca+2) (Flame Test)Orange/Red Flame
Copper(Cu+ / +2) (Flame Test)Blue-Green Flame
memorize