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| Name | Oxidation Number for both C atoms in Acetaldehyde (CH3CHO) |
| Video Uploader | Video From Wayne Breslyn |
| Upload Date | This Video Uploaded At 14-04-2022 20:42:02 |
| Video Discription | To find the correct oxidation state of C in CH3CHO (Acetaldehyde ), and each element in the molecule, we use a few rules and some simple math. In this video we find the oxidation numbers for both Carbon (C) atoms in Acetaldehyde. First, since the CH3CHO molecule doesn’t have an overall charge (like NO3- or H3O+) we could say that the total of the oxidation numbers for CH3CHO will be zero since it is a neutral molecule. We write the oxidation number (O.N.) for elements that we know and use these to figure out oxidation number for C. --------- RESOURCES How to Find Oxidation Numbers (rules and examples): https://youtu.be/iSAwDJTLIKY Oxidation Numbers Practice: https://youtu.be/hTjSNTOUcBQ ---------- GENERAL RULES Free elements have an oxidation state of zero (e.g. Na, Fe, H2, O2, S8). In an ion the all Oxidation numbers must add up to the charge on the ion. In a neutral compound all Oxidation Numbers must add up to zero. Group 1 = +1 Group 2 = +2 Hydrogen with Non-Metals = +1 Hydrogen with Metals (or Boron) = -1 Fluorine = -1 Oxygen = -2 (except in H2O2 or with Fluorine) Group 17(7A) = -1 except with Oxygen and other halogens lower in the group ---------- We know that Oxygen usually is -2 with a few exceptions. When Oxygen is in a peroxide, like H2O2 (Hydrogen peroxide), it has a charge of -1. When it is bonded to Fluorine (F) it has an oxidation number of +1. Here it is bonded to C so the oxidation number on Oxygen is -2. Using this information we can figure out the oxidation number for the element C in CH3CHO. |
| Category | Education |
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