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Write a balanced half-reaction describing the reduction of aqueous hydrogen cations to gaseous dihydrogen.

Sagot :

2H+(aq)  +  2e-   --------> H₂(g)

What is balanced half-reaction?

In most cases, individual atoms initially balance the half-reactions. The half-reactions contain electrons. These are then balanced to ensure that the number of electrons acquired and lost is equal. The two half-reactions are then combined once more.

A half-reaction is the portion of a larger reaction that corresponds to either an individual oxidation or reduction. A redox reaction can only be accurately represented by two half-reactions, one oxidation and one reduction.

addition of electron is called reduction

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

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