Chemistry chapter 7,9,11,12 summary (everything you need to know)

Oxidation




inn yn addedtoanelementorcompound Oxidation Noteall neutralisation reactionsare no
210 2ntff.se
Is redox reaction

Reduction Lost
gainingofelectrons

is
oxygen removedfrom anelementorcompound Reduction oxidation reduction



Happensat the sametime Is Na Nat e a e Ci

Gain
Aviation note


Most 3 Reactivity Series



f fffn Eineations a potassium's

Sodium Na

Displacement reaction Lithium Li

more reactive metal disencing a less reactive one Calcium Ca

Feson Cason Fe Magnesium Ms

Carbon C


Ionic equations are 2n

Ca tFe2 a Fe Iron Fe

hydrogen H

Individual half equations Copper v


Ca cast 20 Note
loses 2 oxidation hydrogen will have an oxidation state

Felt Fe I when bonded with non metal
gain 2 reduction and a 1 when bonded with metal

, Oxidation state To find oxidation a ion

element has 0 zero oxidation state 89 02 He
d
electrons gain oxidationnumber

decreases


electrons loses oxidation number


increases



element oxidation state

Fe 3

2h42 2

49 2 2



Exercises Find the oxidation state
Mgc 2 2 AIF 3 V05

Mg 2 1 D AI t 3F 2 V7 5107 0

Mg 211 0 A 31 17 0 LIV 51 27 0

2 D c 3 0 41 3 2V
MAIL 10

oxidation state of oxidation state of V 10 2

L AI 3 5
Mg
oxidation stateof
V 5
2
4 504 5 pop 6 NO 7 GOT
5 4127 2 Pt 4127 3 N131 2 1 1 462 1