PPT-Oxidation-Reduction Reactions

Part 1 Notes 11 Beginning Unit 4 Salt on icy roads can make driving safer but the salt that clings to the metallic parts of cars can cause them to corrode or rust relatively quickly This corrosion is one example of a chemical reaction called oxidationreduction You will learn about oxidationreduction reactions. Part 1 . Zagazig. University . Clinical Pharmacy . Programe. . Analytical Chemistry Department . PC 306. 1. Definition. Old . definition. Oxidation. is the reaction of substance with oxygen. Reduction . IGCSE Chemistry . 620. OXYGEN. Gaining of oxygen is called oxidation.. Carbon + Oxygen .  Carbon dioxide. Carbon is oxidised to carbon dioxide.. Methane burns in oxygen.. CH. 4. . + . 2O. 2. . It’s everywhere man!. Q: What does it involve?. A: The combination of an element/molecule. with Oxygen in the air or water…. Q: What is the balanced chemical equation?. __Fe. 3. C. +. __O. Definition. If oxidation occurs, then reduction must also occur. Any chemical process in which elements undergo a change in oxidation number is a . Redox reaction. Example. 2Na + Cl. 2. . → 2Na. Oxidation and reduction. Oxidation and reduction – oxygen . transer. A substance has been . oxidised. if it . gains oxygen. . Oxidation is gain of oxygen.. A substance has been . reduced. if it . Write the Molecular, Total Ionic, and Net Ionic Reactions for the chemical reactions below: . AgSO. 4. + K. 3. PO. 4. . . Reacting Magnesium Sulfate and Lithium Fluoride. GRADE!. Catalyst. Pick up Papers from the front. Aka REDOX reactions. Electrochemistry. The study of chemical reactions involving the transfer of electrons between reactants. . Oxidation. Loss of electrons. happens at the anode. Reduction. gain of electrons. REDOX REACTIONS . OILRIG – . O. xidation . I. s . L. oss of electrons. . R. eduction . I. s . g. ain of electrons. This is really important. Think of January sales!. OXIDATION NUMBER RULES. Oxidation numbers which are assigned to ions (of each element) in a compound help us to write half equations and full ionic equations.. electrons. gained. lost. Red. uction and . ox. idation reactions – . redox. . reactions. o. xygen atoms. lost. gained. A. re . these reactions . examples of oxidation or reduction?. 1. . C. . Jacob Embley. Dr. John Colton,. . Dr. Richard Watt, Trevor Smith, . Cameron Olsen, Kevin . Zenner. , and Stephen Erickson. What is ferritin?. Spherical protein complex . Nano. -cage composed of 24 sub-units. 1.2.3: Redox explains the chemistry behind batteries and electroplating precious metals onto strong base metals. It also explains how to break apart water into hydrogen and oxygen, and lots more.. 4: These 2 reactions are always paired and balanced.. Mn. (III/IV). These are to be contrasted with the potentially rapid oxidations that occur with . photochemically. produced oxidants such as H. 2. O. 2. , O. 3. , the free radicals such as hydroxyl (-OH) and . 2A. l. (s) + 3H. 2. SO. 4. (. aq. ) → A. l. 2. (SO. 4. ). 3. (. aq. ) + 3H. 2. (g). Using oxidation numbers, show which element has been oxidised and which has been reduced in this reaction. State the changes in oxidation numbers, including all signs.. Jennie L. Borders. Section 11.1 – Describing Chemical Reactions. In a chemical reaction, the reactants are written on the left and the products on the right.. The arrow that separates them is called yield..