Other required and useful ions

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Required Ions
Formula, colour and made by
1 of 11
Cr2O7 2- (aq)
Dichromate, orange solution, made by oxidation of Cr3+ using H2O2/OH-. Can be reduced back to Cr3+ using Zn/H+
2 of 11
CrO4 2- (aq)
Chromate, yellow solution, made by oxidation of Cr3+ using H2O2/OH-
3 of 11
Cr2+ (aq)
Blue solution, made by reduction of Cr3+ using Zn
4 of 11
MnO4- (aq)
Purple solution, made by oxidation of Mn2+
5 of 11
Mn2O3 (s)
Dark brown precipitate, made by oxidation of Mn(OH)2 by oxygen
6 of 11
Other Useful Ions
Formula, colour and and key information
7 of 11
Cu+
Colourless solution, formed by reduction of Cu2+. Disproportionate into Cu and Cu2+
8 of 11
Zn2+/Sc3+ (aq)
Colourless solution, not transition metals by definition
9 of 11
[Zn(H2O)4(OH)2] solid/ [Sc(H2O)3(OH)3] solid
White solid, not transition metals by definition
10 of 11
CuI (solid)
White solid, formed by reduction of Cu2+ using I-
11 of 11

Other cards in this set

Card 2

Front

Dichromate, orange solution, made by oxidation of Cr3+ using H2O2/OH-. Can be reduced back to Cr3+ using Zn/H+

Back

Cr2O7 2- (aq)

Card 3

Front

Chromate, yellow solution, made by oxidation of Cr3+ using H2O2/OH-

Back

Preview of the back of card 3

Card 4

Front

Blue solution, made by reduction of Cr3+ using Zn

Back

Preview of the back of card 4

Card 5

Front

Purple solution, made by oxidation of Mn2+

Back

Preview of the back of card 5
View more cards

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