3.2 redox reactions

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15 Terms

1
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MnO4 - : Fe2+

1:5

2
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Cr2O7 2- : Fe2+

1:6

3
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I2 : S2O3 2-

1:1

4
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Cu 2+ : S2O3 2-

2:2

5
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dicromate half equation

Cr2O7 2- → Cr 3+

6
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Manganate half equation

Mn4O4 - → Mn2+

7
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Iron half equation

Fe 2+ → Fe 3+

8
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Thiosulfate half equation

S2O3 2- → S4O6 2-

9
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Copper half equation

Cu 2+ → Cu+

10
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iodine half equation

2I - → I2

11
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dichromate colour change

orange to green

12
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manganate colour change

purple to pale pink

13
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Iron colour change

pale green to yellow

14
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copper colour change

pale blue to colourless

15
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iodine colourchange

colourless to yellow brown.