When zinc metal is submerged into a quantity of aqueous $$\ceHCl$$, the adhering to reaction occurs (Figure $$\PageIndex1$$):

\<\ceZn (s) + 2HCl (aq) → H2 (g) + ZnCl2(aq) \labeleq:1\>

This is one example of what is sometimes called a single instead of reaction due to the fact that $$\ceZn$$ replaces $$\ceH$$ in mix with $$\ceCl$$.

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Example $$\PageIndex1$$: Reducing silver- Ions

Write and also balance the oxidization reaction that has silver ions and aluminum steel as reactants and also silver metal and aluminum ion as products. Determine the problem oxidized, problem reduced, reducing agent and also reducing agent.

Solution

We begin by using icons of the elements and also ions to represent the reaction:

\<\ceAg^+ + Al → Ag + Al^3+ \nonumber\>

The equation looks balanced as that is written. However, once we compare the overall charges on each side that the equation, we uncover a charge of +1 top top the left however a fee of +3 ~ above the right. This equation is not appropriately balanced. Come balance it, let us write the two half reactions. Silver- ions space reduced, and it take away one electron to change Ag+ to Ag:

Reduction half-reaction: \<\ceAg^+ + e^− → Ag \nonumber\>

Aluminum is oxidized, shedding three electrons to readjust from Al come Al3+:

Oxidation half-reaction: \<\ceAl → Al^3+ + 3e^− \nonumber\>

To combine these two half reactions and cancel the end all the electrons, we should multiply the silver- reduction reaction by 3: Exercise $$\PageIndex1$$

Write and also balance the redox reaction that has calcium ions and potassium metal as reactants and calcium metal and potassium ion as products. Determine the substance oxidized, substance reduced, reducing agent and reducing agent.

Reduction: Ca2+ + 2e− → Ca

Oxidation: 2 (K → K+ + e−)

Combined: Ca2+ + 2K → Ca + 2K+

The substance oxidized is the reactant that had undergone oxidation: K The substance reduced is the reactant that had actually undergone reduction: Ca2+ The reducing agent is the same as the substance oxidized: K The oxidizing agent is the very same as the problem reduced: Ca2+

Potassium has been used as a reducing certified dealer to acquire various metals in their elemental form.

To her Health: oxidization Reactions and Pacemaker Batteries

All batteries usage redox reaction to it is provided electricity because electricity is basically a present of electron being moved from one problem to another. Pacemakers—surgically implanted tools for regulation a person’s heartbeat—are it is provided by tiny batteries, for this reason the appropriate operation that a pacemaker depends on a oxidation reaction.

See more: What Does Socorro Mean In Spanish, Socorro Name Meaning Figure $$\PageIndex1$$: A small button battery like this is supplied to strength a watch, pacemaker, or calculator. (CC BY-SA; Gerhard H Wrodnigg via Wikipedia)