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15 cards from this deck
KMnO4\text{KMnO}_4KMnO4
Purple
Strong oxidising agent
Self-indicating
Cannot obtain high purity, unstable, decomposes, conc. varies
Purple to colourless
1:5
Faint pink colour persists
Loses water of crystallisation (efflorescence)
Ammonium iron(II) sulfate
(NH4)2SO4⋅FeSO4⋅6H2O(\text{NH}_4)_2\text{SO}_4·\text{FeSO}_4·6\text{H}_2\text{O}(NH4)2SO4⋅FeSO4⋅6H2O
Provides H+\text{H}^+H+ ions needed for reaction
0.02 M
From the top (not bottom)
Spontaneous loss of water of crystallisation
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