CO2−3 Draw the molecule by placing atoms on the canvas and connecting them with bonds. Include all lone pairs of electrons. C C
O O O O 0 - O O 0 - +- CHONSPFBrClIXMore Press TAB to go to the structure. Press ALT+A to get to the bonds and electrons editor. Press ALT+P to get to the elements editor. Press ALT+M to get to the main menu. Press ALT+Q to quit the application. Charge was decreased to value -1.
1 answer:
Carbon dioxide (CO₂) it is a molecule with liniar geometry in which the carbon atom is bonded to oxygen atoms by double bonds. Each oxygen will have two lone pairs a electrons that are not involved in the chemical bonds.
Chemical diagram with the lone pairs represented, is found in the attached picture.
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Answer:
Reduced species and oxidizing agent: sulfur in the form of sulfate.
Oxidized species and reducing agent: chromium in the form of chromous hydroxide.
Explanation:
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In this case, for the reaction:
We can see that the oxidation states of sulfur and chromium change from +6 to +4 and +3 to +6 respectively; in such a way, since the oxidized species is the same reducing agent because it undergoes an increase in the oxidation state, we infer that chromium is it as it goes from +3 to +6.
Moreover, since the reduced species is the same oxidizing agent because it undergoes a decrease in the oxidation state, we infer that sulfur is it as it goes from +6 to +4.
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