TE - Redox And Qualitative Analysis Flashcards

1
Q

Oxidation Fe2+ > Fe3+

A

Acidified manganite ions
MnO4-
PURPLE > COLOURLESS

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2
Q

Reduction of Fe3+ to Fe2+

A

Iodide ions

YELLOW ORANGE > BROWN

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3
Q

Reduction Cr2O7^2- to Cr3+

A

Zinc metal

ORANGE > GREEN

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4
Q

Oxidation of Cr3+ to CrO4^2-

A

Hot alkaline hydrogen peroxide
H2O2 (aq)
> YELLOW aq

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5
Q

Cu2+ to Cu+

A

Iodide ions I-

PALE BLIE > WHITE / BROWN

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6
Q

Disproportionation Of Cu+

A

Cu2O + H2SO4 ( hot and dilute)
> Cu (s) +CuSO4 aq + H2O
RED-BROWN > BROWN + BLUE

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