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Revision notes on some redox equations for redox titrations for Advanced A/AS Level Inorganic Chemistry:

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Basic Chemistry Calculations Index

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 Quantitative redox reaction analysis

GCE Advanced Level REDOX Volumetric Analysis Titration Revision Questions

ORIGINAL REDOX TITRATION QUESTIONS

 ANSWERS and WORKING

    REDOX REACTION THEORY NOTES

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and also acid–base and other non–redox titration Questions * Qualitative Analysis



Studying Constructing full inorganic redox equations from half–equations and Redox titrations first HELPS!


Needed for Questions 1/4/9/11/13/15/16/20/21

MnO4(aq) + 8H+(aq)  + 5Fe2+(aq) ===> Mn2+(aq) + 5Fe3+(aq) + 4H2O(l)


Needed for Questions 2/14/17/18

2S2O32–(aq)  +  I2(aq)  ===>  S4O62–(aq) + 2I(aq)


Needed for Questions 3/5

Cr2O72–(aq) + 14H+(aq) + 6Fe2+(aq) ===> 2Cr3+(aq) + 6Fe3+(aq) + 7H2O(l)


Needed for Questions 6/7/10/13

2MnO4(aq) + 16H+(aq)  + 5C2O42–(aq) ===> 2Mn2+(aq)  + 8H2O(l) + 10CO2(g)

or  2MnO4(aq) + 6H+(aq)  + 5H2C2O4(aq) ===> 2Mn2+(aq)  + 8H2O(l) + 10CO2(g)


Needed for Question 8

2MnO4(aq) + 6H+(aq)  + 5H2O2(aq)  ===> 2Mn2+(aq) + 8H2O(l) + 5O2(g) 


Needed for Question 12

2MnO4(aq) + 6H+(aq)  + 5NO2(aq) ===> Mn2+(aq) + 5NO3(aq) +  3H2O(l)


Needed for Question 14

IO3(aq) + 5I(aq) + 6H+(aq) ===> 3I2(aq) + 3H2O(l)


Needed for Question 18

Cr2O72–(aq) + 14H+(aq) + 6I(aq) ===> 2Cr3+(aq) + 3I2(aq) + 7H2O(l)


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ORIGINAL REDOX TITRATION QUESTIONS * ANSWERS and FULL WORKING


I DO MY BEST TO CHECK MY CALCULATIONS, as you yourself should do,  BUT I AM HUMAN! AND IF YOU THINK THERE IS A 'TYPO' or CALCULATION ERROR PLEASE EMAIL ME ASAP TO SORT IT OUT!


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