For the following redox reaction, what is the reducing agent? Oxidizing agent? .. ......*.. ...... M... 18 H*(aq) + 6 MnO4 (aq) + 5 1(aq) → 6 Mn2*(aq) + 5 103 (aq) + 9 H20()
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![**Question:**
For the following redox reaction, what is the reducing agent? Oxidizing agent?
\[ 18 \text{ H}^+ (aq) + 6 \text{ MnO}_4^- (aq) + 5 \text{ I}^- (aq) \rightarrow 6 \text{ Mn}^{2+} (aq) + 5 \text{ IO}_3^- (aq) + 9 \text{ H}_2\text{O} (l) \]
**Explanation:**
This equation represents a redox (reduction-oxidation) reaction. In this type of reaction, one element is oxidized (loses electrons) and another is reduced (gains electrons).
- **Reducing Agent:** The substance that donates electrons and is oxidized.
- **Oxidizing Agent:** The substance that accepts electrons and is reduced.
In this reaction:
- Iodide ions (\(\text{I}^-\)) are oxidized to iodate ions (\(\text{IO}_3^-\)).
- Permanganate ions (\(\text{MnO}_4^-\)) are reduced to manganese ions (\(\text{Mn}^{2+}\)).
Thus:
- **Reducing Agent:** \(\text{I}^-\) (iodide ion), because it loses electrons.
- **Oxidizing Agent:** \(\text{MnO}_4^-\) (permanganate ion), because it gains electrons.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b930fc4-b58d-4103-ac6c-46bf60f87bfc%2F7a23694f-3012-449a-ad78-2902629373db%2Fnfjyi2_processed.jpeg&w=3840&q=75)
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