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Questions and Answers
What is the defining characteristic of a free radical?
What is the defining characteristic of a free radical?
What does oxidation involve?
What does oxidation involve?
What is the role of reductants?
What is the role of reductants?
What makes free radicals highly reactive?
What makes free radicals highly reactive?
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How are free radicals represented?
How are free radicals represented?
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Study Notes
Free Radicals
- Defining characteristic: having one or more unpaired electrons, making them highly reactive
- Oxidation involves the loss of one or more electrons, resulting in the formation of a free radical
Reactivity of Free Radicals
- Highly reactive due to the presence of unpaired electrons, which seek to form a bond with other molecules
- This reactivity leads to a chain reaction of oxidation, causing damage to cells and molecules
Reductants
- Play a crucial role in counteracting the effects of free radicals by donating electrons
- Reduce the oxidation state of a molecule, thereby neutralizing the free radical
Representation of Free Radicals
- Often represented by a dot (•) or an asterisk (*) symbol, indicating the presence of an unpaired electron
- Chemical structure is typically denoted with a dot or asterisk beside the symbol of the atom or molecule
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Description
Test your knowledge of free radicals, antioxidants, and redox chemistry with this quiz. Learn the basics of oxidation, reduction, oxidants, reductants, and the nature of free radicals in biological systems.
