REDOX REACTIONS Flashcards
1
Q
Fe2+ to Fe3+
A
oxidised with H+/MnO4-
purple to colorless
2
Q
Fe3+ to Fe2+
A
reduced with I-
orange/ brown to pale green and brown
3
Q
Cr3+ to (Cr2O7)2-
A
oxidised with hot alkaline H2O2
dark blue to orange
4
Q
(Cr2O7)2- to Cr3+
A
reduced with Zn/H+
orange to green
5
Q
what happens to Cu+ in aqueous conditions
A
readily disproportionates
6
Q
Cu2+ to Cu+
A
reduced with XS I-
pale blue to white ppt and brown (I- ox to I2)
7
Q
disproprotionation from Cu+ to Cu2+ and Cu
A
hot dilute sulfuric acid
blue sol- CuSO4
brown solid- Cu
