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What is ion electron method.....???

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What is ion electron method.....???

Posted by Naira(奈拉)..... ?️⚡?️⚡ ??? 4 years, 11 months ago

CBSE > Class 11 > Chemistry

1 answers

Yogita Ingle 4 years, 11 months ago

Write the skeletal equation and indicate the oxidation number of all the elements which occur in skeletal equation
Find out the species that are oxidized and reduced.
Split the skeletal equation into two half reactions: oxidation half reaction and reduction half reaction
Balance the two-half equation separately by rules described below:

In each half reaction first balance the atoms of element that has undergone a change in oxidation number.
Add electrons to whatever side is necessary to make up the difference in oxidation number in each half reaction.
Balance the charge by adding H⁺ ions, if the reaction occurs in acidic medium .For basic medium, add OH^- ions if the reaction occurs in basic medium.
Balance oxygen atoms by adding required number of water molecules to the side deficient in oxygen atoms
In the acidic medium, H atoms are balanced by adding H ⁺ ions to the side deficient in H atoms.
However, in the basic medium H atoms are balanced by adding water molecules equal to number to H atoms deficient.
Add equal number of OH^- ions to opposite side of equation.
The two half reactions are then multiplied by suitable integers .so that the total number of electrons gained in half reaction becomes equal to total number of electrons lost in another half reaction.
Then the two half reactions are added up.
To verify the balancing, check whether the total charge on either is equal or not.

ANSWER

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