09เคมีไฟฟ้า
Balancing Redox Equations in Acidic Conditions Take the reaction between potassium permanganate KMnO 4 ) and sodium sulfite (NaSO 3 ) 7 steps are required.
Presented by: TEENA KATHPAL Lecturer Pt. J R Govt Polytechnic College Hoshiarpur OXIDATION AND REDUCTION 1.
Ch17 z5e electrochem
Oxidation-Reduction (Redox) Reactions 1. Measuring voltage Standard potentials (E°) have been determined for how much voltage (potential) a reaction is.
Author: J R Reid Oxidation and Reduction – Introduction LEO goes GER Examples Balancing simple equations Why gain/lose electrons? Electronegativity.
Oxidation/Reduction Chapter 20. Two Types of Chemical Rxns 1.Exchange of Ions – no change in charge/oxidation numbers – Acid/Base Rxns NaOH + HCl.
Alkaline permanganate and hydrogen sulfite. In the HSO 3 - ion, sulfur is in the +4 oxidation state. Sodium hydrogen sulfite is a white solid which dissolves.
Chemistry SM-1232 Week 11 Lesson 1 Dr. Jesse Reich Assistant Professor of Chemistry Massachusetts Maritime Academy Spring 2008.
Oxidation-Reduction (Redox) Reactions 1. Redox: Introduction Electrons (e - ) are transferred from one compound to another –e - -donors (lose electrons)
Chapter 19 Redox Equilibria. 19.1 Redox Reactions (reduction-oxidation) is an equilibrium of the competition for e - between the 2 species reducing agent.
Electrochemistry Oxidation Reduction Reactions (1) Oxidation: Loss e- Increase in Oxidation Number Zn (s) Zn 2+ + 2e - (2) Reduction: Acceptance.