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H2O2 কে MnO4—দ্বারা জারণ করা হলে কোষ বিভব, Eϕce...

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Question: 

H2O2 কে MnO4—দ্বারা জারণ করা হলে কোষ বিভব, Eϕcell হিসাব কর । অর্ধ-বিক্রিয়াগুলো হল

2H+ +O2+2e- ↔ H2O2 ; Eϕ = +0.68 V

MnO4- + 8H+ + 5e ↔ Mn2+ + 4H2O ; Eϕ = + 1.51 V -

Answer: 

Eϕcell = +0.83 V 

Eϕcell = -0.83V 

Eϕcell = +0.83 V 

Eϕcell = +0.38 V 

 Eϕcell = +2.19 V
Last Updated: 
18/09/2020 - 01:07

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