Wednesday, 5 November 2025

Consider the reaction Cr2O7²- + 14H+ + 6e- → 2Cr2+ + 7H2O. What is the quantity of electricity in coulombs needed to reduce 1 mole of Cr2O72- ?

Consider the reaction Cr2O7²- + 14H+  + 6e- 2Cr2+   +  7H2O.  What is the quantity of electricity in coulombs needed to reduce 1 mole of Cr2O72-  ?

Video solution:- 


Consider the reaction Cr2O7²- + 14H+  + 6e-  2Cr2+   +  7H2O.  What is the quantity of electricity in coulombs needed to reduce 1 mole of Cr2O72-  ?

Answer:-