permangometry w/ mohr salt

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6 Terms

1
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aim of permanganometry of mohr salt

to find the Fe2+ conc of mohr salt solution

2
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components of the permangometry of mohr salt

  • KMnO4 0.1

  • H2SO4 20% 

  • Mohr salt 

3
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equation for the permangometry of mohr salt

prioritising it last

4
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ratio of Fe2+ for every MnO4- used 

5 Fe 2+ produced for every 1 Mno4- used 

5
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whats the colours observed in this titration?

colourless at the beginning; bc KMnO4 reacts with reducing agent and is reduced once added → colourless

light pink at end point; all Fe2+ ions have been used up and next drop of KMnO4 won’t be reduced

purple pass endpoint; excess KMnO4

6
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what type of titration is this?

a redox titration