EII.EE ItEE
EII.IE EIHI8FIE3 1
REDOXREACTION
transferofelectrons
Oxidation loss electrons
increase oxidationnumber
Reduction gainelectrons
decreaseoxidation number
Oxidisingagentsubstance accepts electrons
Causesoxidation substance is reduced
Reducing agentsubstance donates electrons
Causes reduction substance is oxidised
Anode electrode where oxidationtakesplace
Cathodeelectrodewhere reductiontakesplace
Electrolytesubstance that can conductelectricity byformingfree ions
whenmolten or dissolved in solution
OXIDATION NUMBER
Numberthat isassigned to an
element in a compound as if
the compound was ionically
bonded
1 Oxidationnumberof free elements o
eg Hz N2 Or Mg 2n Fe
2 Oxidation number ofhydrogen in a compound
1
, Exigation number of oxygen
3 in a compound
4Oxidationnumber of monatomic ions is equal to the charge
GThat Ts Mga 2 Al 3 F 1
sum of the oxidation numbers of a polyatomic ion is
5 The
equal to the charge on the ion
Mn 7
eg Mn04 1
6 The sum of the oxidation numbers of a neutral compound is
equal to O 5 6
eg Hison
REDOX REACTION
Fe s Cuson aq FeSOu aq Cu s
425042 Felt5042
50,2 is a spectatorion
ions not involved in electron transfer
Fees u ᵗcaq Felt aq 4 s
Regying Qigesning
Oxidisation Reduction
Table of standard electrode potential
Weakoxidisingagent strongreducing agen
t
oxidation reaction
jgtfft.EE
É Fa re 25
reduction reaction
strongoxidisingagent weakreducingagent
EII.IE EIHI8FIE3 1
REDOXREACTION
transferofelectrons
Oxidation loss electrons
increase oxidationnumber
Reduction gainelectrons
decreaseoxidation number
Oxidisingagentsubstance accepts electrons
Causesoxidation substance is reduced
Reducing agentsubstance donates electrons
Causes reduction substance is oxidised
Anode electrode where oxidationtakesplace
Cathodeelectrodewhere reductiontakesplace
Electrolytesubstance that can conductelectricity byformingfree ions
whenmolten or dissolved in solution
OXIDATION NUMBER
Numberthat isassigned to an
element in a compound as if
the compound was ionically
bonded
1 Oxidationnumberof free elements o
eg Hz N2 Or Mg 2n Fe
2 Oxidation number ofhydrogen in a compound
1
, Exigation number of oxygen
3 in a compound
4Oxidationnumber of monatomic ions is equal to the charge
GThat Ts Mga 2 Al 3 F 1
sum of the oxidation numbers of a polyatomic ion is
5 The
equal to the charge on the ion
Mn 7
eg Mn04 1
6 The sum of the oxidation numbers of a neutral compound is
equal to O 5 6
eg Hison
REDOX REACTION
Fe s Cuson aq FeSOu aq Cu s
425042 Felt5042
50,2 is a spectatorion
ions not involved in electron transfer
Fees u ᵗcaq Felt aq 4 s
Regying Qigesning
Oxidisation Reduction
Table of standard electrode potential
Weakoxidisingagent strongreducing agen
t
oxidation reaction
jgtfft.EE
É Fa re 25
reduction reaction
strongoxidisingagent weakreducingagent
