8.27 Predict the products of electrolysis in each of the following:

(iii) A dilute solution of H_{2}SO_{4} with platinum electrodes 

Answers (1)

Answer-

given sulphuric acid is dilute. 

ionize into    H_{2}SO_{4}\rightarrow 2H^{+}+ SO_{4}^{2-}

At cathode H^{+}+e^{-}\rightarrow 1/2H_{2}(g)

At anode, There will be -(liberation of oxygen gas)

H_{2}O\rightarrow 1/2O_{2}+4H^{+}+4e^{-}

 

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