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Q. How to balance the redox reaction?
To balance a redox reaction ,
divide the given eqn. in two halves. 1-Oxidation half and 2- Reduction half
in both half equation first of all balance all the elements other than Hydrogen and Oxygen .
now to add
1-Oxgen atom add required no. of H2O atoms to reactant side and balance the excess Hydrogen by adding H+ to the product side ...
2- Hydrogen atom add required no. of H+ ions to reactants side ..
Now, after balancing the elements ..
Balance the charge on both reactants and products side .. by adding required e- to the required side of the equation.
Do the same with the other half equation
Multiply the both equation with an integer so that the no. of e- on the reactants and the product side of the added equation cancels each other .. remove all the extra molecules for eg. if there is 6 H2O molecules on reactants side or product side and 4 H20 molecules on the other side then cancel it and write away 2 H20 on the first side .. (i.e. where the 6H20 was before).
For example :- Start with a easy one !
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