1. What is the term for the component that increases the oxidation state in a redox reaction? 1) oxidant 2) reductant
1. What is the term for the component that increases the oxidation state in a redox reaction? 1) oxidant 2) reductant
2. What is the term for the process of transferring electrons by atoms, molecules, or ions? 1. electrolysis 2. reduction 3. corrosion 4. oxidation
3. Which property corresponds to the highest oxidation state of an element? 1. period number 2. atomic number 3. group number 4. no correct answer
4. In redox reactions, nonmetals exhibit what type of properties? 1. oxidizing properties 2. reducing properties 3. redox duality 4. all of the answers.
2. What is the term for the process of transferring electrons by atoms, molecules, or ions? 1. electrolysis 2. reduction 3. corrosion 4. oxidation
3. Which property corresponds to the highest oxidation state of an element? 1. period number 2. atomic number 3. group number 4. no correct answer
4. In redox reactions, nonmetals exhibit what type of properties? 1. oxidizing properties 2. reducing properties 3. redox duality 4. all of the answers.
14.01.2024 07:09
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Разъяснение:
1. The component that increases the oxidation state in a redox reaction is known as the oxidant. It is the species that undergoes reduction, meaning it gains electrons and causes another component to lose electrons, which results in an increase in its oxidation state.
2. The process of transferring electrons by atoms, molecules, or ions is known as oxidation-reduction, or redox for short. It involves the transfer of electrons from one species to another, resulting in changes in their oxidation states.
3. The property that corresponds to the highest oxidation state of an element is its group number. Elements in the same group of the periodic table have similar chemical behaviors, and the group number indicates the number of valence electrons an element possesses. The higher the group number, the higher the potential for achieving higher oxidation states.
4. In redox reactions, nonmetals typically exhibit reducing properties. They tend to gain electrons and undergo reduction, causing other species to be oxidized. This is because nonmetals have a higher electronegativity and a higher affinity for electrons.
Демонстрация:
1. The term for the component that increases the oxidation state in a redox reaction is the oxidant. In the reaction: Fe + Cu^2+ -> Fe^2+ + Cu, Cu^2+ is acting as the oxidant because it is undergoing reduction, while Fe is being oxidized.
2. The term for the process of transferring electrons by atoms, molecules, or ions is redox. An example of a redox reaction is the combustion of methane: CH4 + 2O2 -> CO2 + 2H2O, where methane is oxidized to carbon dioxide, and oxygen is reduced to water.
Совет:
To understand redox reactions more easily, it is important to grasp the concept of oxidation and reduction individually. Learning about oxidation states and how they change during a reaction can also be helpful. Practice identifying oxidizing and reducing agents in different reactions to reinforce understanding.
Задача для проверки:
Identify the oxidizing agent, reducing agent, and the substance that is oxidized and reduced in the following reaction: 2KMnO4 + 3H2C2O4 + 4H2SO4 -> K2SO4 + 2MnSO4 + 8H2O + 6CO2.