Basic Chemistry Calculations Index

 Doc Brown's Advanced Level Chemistry  

 Quantitative redox reaction analysis

GCE Advanced Level REDOX Volumetric Analysis Titration Revision Questions

ORIGINAL REDOX TITRATION QUESTIONS

 ANSWERS and WORKING

    REDOX REACTION THEORY NOTES

EMAIL query?comment?error

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


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

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


Needed for Questions 2/14/17/18

2S2O3(aq)  +  I2(aq)  ==>  S4O6(aq) + 2I–(aq)


Needed for Questions 3/5

Cr2O7(aq) + 14H+(aq) + 6Fe2+(aq) ==> 2Cr3+(aq) + 6Fe3+(aq) + 7H2O(l)


Needed for Questions 6/7/10/13

2MnO4–(aq) + 16H+(aq)  + 5C2O4(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

Cr2O7(aq) + 14H+(aq) + 6I–(aq) ==> 2Cr3+(aq) + 3I2(aq) + 7H2O(l)


 

ORIGINAL REDOX TITRATION QUESTIONS * ANSWERS and FULL WORKING

Basic Chemistry Calculations Index


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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