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ICSE Class 10 Chemistry 2020 Paper

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An aqueous solution of nickel (II) sulphate was electrolyzed using nickel electrodes. Observe the diagram and answer the questions that follow :
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Question : 86 of 86
Marks: +1, -0
Which equation for the reaction at the anode is correct ?
Solution:  
At Anode Ni\mathrm{Ni} atom forms Ni\mathrm{Ni} ions.
Ni→Ni2++2e−\mathrm{Ni} \rightarrow \mathrm{Ni}^{2+}+2 e^{-}
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