NEET > Chemistry Class 11 > Short Tricks: Oxidation State
Short Tricks: Oxidation State Video Lecture - Chemistry Class 11 - NEET
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FAQs on Short Tricks: Oxidation State Video Lecture - Chemistry Class 11 - NEET
| 1. What is oxidation state? |  |
Ans. Oxidation state, also known as oxidation number, is a measure of the degree of oxidation of an atom in a chemical compound. It indicates the number of electrons that an atom has gained or lost, or the number of electrons it shares with other atoms.
| 2. How is oxidation state determined? | |
Ans. The oxidation state of an atom is determined by analyzing the electron distribution in a compound. The general rules for determining oxidation state include assigning a +1 charge to hydrogen, a -1 charge to oxygen, and a charge equal to the group number for elements in Group 1. For other elements, their oxidation state can be determined based on the compound's overall charge and the known oxidation states of the other elements present.
| 3. Why is oxidation state important in chemistry? | |
Ans. Oxidation state is important in chemistry as it helps in understanding the chemical reactions and behavior of elements and compounds. It provides information about the electron transfer in a reaction, helping to predict the reactivity and stability of compounds. Oxidation state is also crucial in balancing chemical equations and determining the oxidation-reduction (redox) reactions.
| 4. Can oxidation state change in a chemical reaction? | |
Ans. Yes, oxidation state can change in a chemical reaction. In redox reactions, where there is a transfer of electrons between atoms or ions, the oxidation state of the elements involved may change. The element that loses electrons undergoes an increase in oxidation state (oxidation), while the element that gains electrons undergoes a decrease in oxidation state (reduction).
| 5. How does oxidation state relate to the periodic table? | |
Ans. The oxidation state of an element can be determined based on its position in the periodic table. Elements in Group 1 typically have an oxidation state of +1, while elements in Group 2 have an oxidation state of +2. Transition metals can have multiple oxidation states, which are often indicated by Roman numerals in parentheses after the element's name. The periodic trends in oxidation state can provide insights into the chemical reactivity and behavior of elements.
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