TE - Redox And Qualitative Analysis Flashcards
1
Q
Oxidation Fe2+ > Fe3+
A
Acidified manganite ions
MnO4-
PURPLE > COLOURLESS
2
Q
Reduction of Fe3+ to Fe2+
A
Iodide ions
YELLOW ORANGE > BROWN
3
Q
Reduction Cr2O7^2- to Cr3+
A
Zinc metal
ORANGE > GREEN
4
Q
Oxidation of Cr3+ to CrO4^2-
A
Hot alkaline hydrogen peroxide
H2O2 (aq)
> YELLOW aq
5
Q
Cu2+ to Cu+
A
Iodide ions I-
PALE BLIE > WHITE / BROWN
6
Q
Disproportionation Of Cu+
A
Cu2O + H2SO4 ( hot and dilute)
> Cu (s) +CuSO4 aq + H2O
RED-BROWN > BROWN + BLUE