here's my chemistry remedial stuffs.. no where to type so i type here(:


Oxidising Agent:
substance that brings about oxidisation, itself being reduced


Reducing Agent:
Substance that brings about reduction, itself being oxidised


in the case of:


2 I- (aq) + Br2 (l) -------- 2Br- (aq) + I 2(s)


I is oxidised to I2, Br2 is reduced to Br-


Br is the oxidising agent and I is the reducing agent.


Common Oxidising agents:
Oxygen, Fluorine, Chlorine, Hydrogen Peroxide,

Potassium Maganate (7) / acidified potassium maganate (7) purple to brown to colourless, if reaction is fast, then it will be purple straight to colourless.

Potassium Dichromate (6) orange to green,


Common Reducing Agent:
Metals, Potassium Iodide(colourless to brown), Iron Sulphate(pale green to yellow)


yeah!! we;ve ended... omg.. my notes taking skills is good right(: haha

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