Question

What are the effects of reducing agents in everyday life

Answer 1

Answer:

Combustion

Perhaps you think of burning, or combustion, as more of a physical process than a chemical one. Nevertheless, the combustion of, say, the hydrocarbons in fossil fuels, as well as the burning of organic material in wood represent quintessential redox reactions. In each case, the carbon in the compound being burned bonds with oxygen atoms in the air, while some oxygen bonds to the hydrogen in the compound; therefore, the compound being burned is oxidized and the oxygen is reduced, with carbon dioxide and water vapor emitted as combustion products.

Respiration

Cellular Respiration

Cellular respiration which is the ultimate source of energy in human beings encompasses a series of redox reactions. So, the food that we consume is converted into energy by redox reactions only.

role of redox reaction in photosynthesis

During the process of respiration, the carbon-dioxide is reduced whereas the water is oxidised to form oxygen.

2. Combustion

role of redox reaction in combustion

Combustion forms the classic example of redox reactions in real-life. However, whenever we talk about combustion, we usually view it as a physical change than a chemical one. The burning of organic material and combustion of hydrocarbons in fossil fuels form yet another important example of redox reactions. The oxygen present in the atmosphere bonds with carbon and hydrogen present in the compound being burned. During the process of combustion, the oxygen present in the atmosphere is being reduced whereas the compound which is being burned is undergoing oxidation.

3. Photosynthesis

redox reactions in photosynthesis

The process of photosynthesis takes place in the leaves of the plants. What happens is that carbon dioxide and water combine in the presence of sunlight to release oxygen and glucose. The glucose which is formed in the whole process of photosynthesis is used to fuel the metabolic reactions of the plants. In photosynthesis, water is oxidised and carbon dioxide is reduced.

4. Photography

role of redox reaction in photography

The process of developing a photographic film also employs redox reactions. The silver ions in activated silver bromide are reduced to silver atoms by reducing chemicals like hydroquinone or pyrogallos. In addition, sodium thiosulfate is also used in the process of obtaining a negative. A positive image is obtained by the exposure of the negative to light. Following the exposure to light, silver cations are reduced.

5. Bleach

role of redox reaction in bleaching

A bleaching agent is a substance which has the ability to whiten or decolourize other substances. The process of bleaching also employs a number of redox reactions. Decolourization of a substance occurs because the electrons move between different energy levels. Any sort of decolourization can be removed by the oxidation of the electrons.

6. Corrosion

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