NaiO3+ NaI+ H2O
(Alkaline Medium)
-->Balance the following Redox Reaction by ion Electron Method :->
I2(iodine)+ NaOH-----> NaiO3+ NaI+ H2O
(Alkaline Medium)
Asked by Anish
10th August 2018,
2:20 PM
Answered by Expert
Answer:
Step 1: Write down the skeleton equation:
Step 2:
a)Assign the oxidation numbers for each atom in the equation.
b) Identify which reactants are oxidised and which are reduced.
Step 3: Balanced the atoms in each half-cell reaction.
a) Balance all other atoms other than hydrogen and oxygen
b) Balance the oxygen atoms
c) Balance the hydrogen atoms
d) For reactions in alkaline medium, add one OH- ion to each side for every H+ ion present in the equation.
Step 4: Now, balance the charge.
Step 5: The electron lost in oxidation half-cell reaction must be equal to the electron gain in the reduction half-cell reaction. to make equal multiply the coefficients of all species by integers producing the lowest common multiple.
We get
Step 6: Add both half-reactions together, we get,
Step 7: Simplify the equation:
Answered by Expert
11th August 2018,
10:05 PM
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