An electric current is passed through an aqueous solution of h2so4 to form h2 ga

Question

An electric current is passed through an aqueous solution of h2so4 to form h2 gas.
A) write balanced net ionic half reaction that occurs to form h2 gas
B) does the half reaction occur at the anode or cathode An electric current is passed through an aqueous solution of h2so4 to form h2 gas.
A) write balanced net ionic half reaction that occurs to form h2 gas
B) does the half reaction occur at the anode or cathode
A) write balanced net ionic half reaction that occurs to form h2 gas
B) does the half reaction occur at the anode or cathode

Explanation / Answer

A)

The two half reactions are as follows;

At cathod: 2H+(aq). + 2e- -----> H2(g)

At anode: 4OH-(aq) -------> 2H2O(l) + O2(g) + 4e-

Hence reaction occur to form H2 gas is,

2H+(aq) + 2e- --------> H2(g)

B) this reaction is occur at cathode.

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