Class 11 Exam > Class 11 Videos > L6 : Numericals : Oxidation number - Redox Reaction, Class 11
L6 : Numericals : Oxidation number - Redox Reaction, Class 11 Video Lecture
FAQs on L6 : Numericals : Oxidation number - Redox Reaction, Class 11 Video Lecture
| 1. What is oxidation number and how is it determined in a redox reaction? |  |
Ans. The oxidation number is a concept used to track the electron transfer in a redox reaction. It represents the charge that an atom would have if all the bonding electrons were assigned to the more electronegative atom. To determine the oxidation number of an atom in a compound or ion, we follow a set of rules provided by the IUPAC.
| 2. How do we balance redox reactions using oxidation numbers? | |
Ans. Balancing redox reactions involves assigning oxidation numbers to all the elements, identifying the element being oxidized and reduced, and balancing the number of electrons transferred. We can then balance the atoms and charge by adding coefficients to the reactants and products. The coefficients are chosen in such a way that the number of atoms and charge is balanced on both sides of the equation.
| 3. Can the oxidation number of an atom change within a compound? | |
Ans. Yes, the oxidation number of an atom can change within a compound. This occurs when there is a transfer of electrons between atoms during a redox reaction. The atom that gains electrons will have a reduced oxidation number, while the atom that loses electrons will have an increased oxidation number.
| 4. What is the significance of oxidation numbers in chemical reactions? | |
Ans. Oxidation numbers are crucial in understanding and balancing chemical reactions. They help us identify the oxidized and reduced species, determine the electron transfer, and track the changes in oxidation states. By knowing the oxidation numbers, we can predict the feasibility and direction of a redox reaction.
| 5. How are oxidation numbers useful in predicting the products of a redox reaction? | |
Ans. Oxidation numbers allow us to determine the changes in oxidation states during a redox reaction. This information is vital in predicting the products of the reaction. For example, if an element with a positive oxidation number is reduced, it suggests that another element with a negative oxidation number must have been oxidized. By analyzing these changes, we can determine the products formed in a redox reaction.
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Dec 04, 2024 Last updated |
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