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91167 REXOX FLASH CARDS

Cut out and fold to produce cards, as indicated below. Note: there are 13 oxidants & 11 reductants

OXIDANT

Purple permanganate MnO4(acidified) is reduced to FOLD HERE & GLUE BACK TO BACK

the manganese(II) ion Mn2+ which is colourless

 No Brain Too Small  CHEMISTRY  OXIDANT

OXIDANT

colourless O2(g)

orange-brown I2 (aq)

is reduced to is reduced to

OXIDANT

OXIDANT

yellow green colourless H+(aq) chlorine gas Cl2(g) (acid) OR chlorine water is reduced to Cl2(aq) is reduced to

the oxide ion

the iodide ion

the chloride ion

hydrogen gas

O2colour depends…

I-(aq)

Cl-(aq)

H2(g)

which is colourless

which is colourless

which is colourless

OXIDANT

OXIDANT

OXIDANT

OXIDANT

pale orange iron(III) Fe3+(aq)

colourless hydrogen peroxide H2O2(aq)

purple permanganate MnO4-(aq) (acidified)

orange dichromate Cr2O72-(aq) (acidified)

is reduced to

is reduced to

MgO white CuO black

is reduced to is reduced to

the iron(II) ion

water

Fe2+(aq)

H2O(l)

which is pale green

which is colourless

the manganese(II) the chromium(III) ion ion Mn2+(aq)

Cr3+(aq)

which is colourless

which is green

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REDUCTANT

REDUCTANT

REDUCTANT

REDUCTANT

metals eg pinky orange Cu(s) & grey Mg(s) and Fe(s)

black C(s)

colourless CO(g)

is oxidised to

is oxidised to

colourless hydrogen gas H2(g) is oxidised to

are oxidised to

metal ions(aq) colour depends… 2+

Cu blue Mg2+ colourless Fe2+ pale green Fe3+ pale orange

either carbon monoxide or carbon dioxide gas CO(g) or CO2(g) which are colourless

carbon dioxide gas CO2(g)

H+(aq) which is colourless

which is colourless

REDUCTANT

REDUCTANT

REDUCTANT

REDUCTANT

pale green iron(II) ion 2+ Fe (aq)

colourless bromide ion, Br(aq)

colourless iodide ion, I- (aq)

colourless SO2(g) gas

is oxidised to

is oxidised to

is oxidised to

is oxidised to

the iron (III) ion Fe3+

bromine solution Br2-

iodine solution I2(aq)

the sulfate ion SO42-(aq)

which is a pale orange

which is a redbrown colour

which is an orange-brown colour

which is colourless

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REDUCTANT

REDUCTANT

REDUCTANT

OXIDANT

colourless hydrogen sulfite HSO3-(aq) or sulfite SO32-(aq)

colourless hydrogen peroxide H2O2(aq)

colourless hydrogen sulfide gas H2S(g)

colourless iodate ion, IO3-(aq) is oxidised to

is oxidised to

is oxidised to

the sulfate ion SO42-(aq)

oxygen gas O2(g)

sulfur S(s)

iodine solution I2(aq)

which is colourless

which is colourless

which is yellow

which is an orange-brown colour

OXIDANT

OXIDANT

OXIDANT

OXIDANT

colourless chlorite OCl-(aq)

colourless conc. nitric acid HNO3 (may have a brown tinge)

is oxidised to

red-brown colourless “bromine water” hydrogen Br2(aq) peroxide H2O2(aq)

is reduced to is reduced to

is reduced to is reduced to

the bromide ion Br-(aq)

water H2O(l)

the chloride ion Cl-(aq)

nitrogen dioxide gas NO2

which is colourless

which is colourless

which is colourless

which is brown

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