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ABHISHEK VASHIST Grade: 12th pass
        

Q. How to balance the redox reaction?


 

6 years ago

Answers : (1)

Raunak Kumar
33 Points
										

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 !


1984_26285_ex1[1].gif

6 years ago
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