© Pearson Education Ltd 2011. Copying permitted for purchasing institution only. This material is not copyright free. This document may have been altered.

Slides:

Advertisements

Similar presentations

contents Electrolysis of molten compounds Electrolysis of solutions

Advertisements

Starter 1. What types of elements are present in covalent compounds? 2. What can be said about the conductivity of covalent compounds? 3. What types of.

Electrolysis Of Brine Noadswood Science, 2012.

Let’s read! Pages 82 to 89. Objectives To know how to carry out electrolysis experiments. To work out what happens to ions at each electrode. To be able.

Electrolysis Electrolysis breaks down ionic substances into simpler substances by using electricity!

Chemistry 1011 Slot 51 Chemistry 1011 TOPIC Electrochemistry TEXT REFERENCE Masterton and Hurley Chapter 18.

Electrolysis of ionic compounds Putting electrical energy in to force the nonspontaneous change.

Electrolytic Cells Lesson 8 Electrolytic Cells ELECTROLYSIS Electrolysis is a method of using a direct electric current (DC) to drive an otherwise non-

Electrolysis (I) LQ: What happens at the electrodes?

Voltaic Cells Chapter 20.

DAILY QUESTIONS Circle the oxidized element, underline the reduced element. 2Sr +O 2  2SrO Fe +2 +O 2  FeO Define what happens to elements that are oxidized.

Yr 10 Electrolysis project. Yr 10 Electrolysis project.

ELECTROLYSIS. Compare and contrast voltaic (galvanic) and electrolytic cells Explain the operation of an electrolytic cell at the visual, particulate.

Electrolysis. –A redox reaction that is made to occur by passing a direct electric current through an electrolyte Electrolyte –is a liquid that conducts.

Definition The Process Examples

Explain the process of electrolysis and its uses

Notes on Electrolytic Cells An electrolytic cell is a system of two inert (nonreactive) electrodes (C or Pt) and an electrolyte connected to a power supply.

Electrolysis Process by which an electric current is passed through a substance to cause a chemical change. The chemical change is one in which the substance.

Electrolytic Cells Lesson 9 Electrolytic Cells. Notes on Electrolytic Cells An electrolytic cell is a system of two inert (nonreactive) electrodes (C.

Chemical effect of electric current How things work.

REDOX Part 2 - Electrochemistry Text Ch. 9 and 10.

Oxidation & Reduction. Oxidation The loss of electrons Forms positive ions (cations) The atom that experiences a loss of electrons is called the reducing.

Electrolysis Noadswood Science, 2012.

Title: Lesson 6 Electrolytic Cells Learning Objectives: – Describe electrolytic cells – Identify at which electrode oxidation and reduction takes place.

Chapter 16.  the chemical principles, half-equations and overall equations of simple electrolytic cells; comparison of electrolytic cells using molten.

Extracting metals. Methods of extracting metals The Earth's crust contains metals and metal compounds such as gold, iron oxide and aluminium oxide, but.

Electrolytic Cells Section 9.2. Vocabulary Electrolysis: electrical energy used to bring about a non-spontaneous redox reaction Electrolyte: any substance.

Electrolysis  Section Electrolysis Occurs in an electrolytic cell Can be the molten salt, or ions in solution Cations are attracted to the cathode.

J Brewin Deer Park School

Conductors and non-conductors Conductors are materials that conduct electricity. Non-conductors or insulators are materials that do not conduct electricity.

Electrolysis. What is electrolysis? Electrolysis means “breaking up a compound with electricity” From the Greek Electro – electricity Lysis – breaking.

IGCSE CHEMISTRY LESSON 4. Section 1 Principles of Chemistry a)States of matter b)Atoms c)Atomic structure d)Relative formula mass e)Chemical formulae.

ELECTROLYSIS BONDING, STRUCTURE & PROPERTIES. After completing this topic you should be able to : BONDING, STRUCTURE & PROPERTIES ELECTROLYSIS Explain.

9.5 Electrolytic Cells. Match up the words with their descriptions Test for Oxygen Test for Hydrogen Electrolyte Relights a glowing splint Makes a ‘popping’

Electrolytic Cells. An electrolytic cell is an electrochemical cell that undergoes a redox reaction when electrical energy is applied. It is most often.

Electrochemistry Dr. Mamun Jamal Department of Chemistry Room no.: BECM 403 (main academic building) KUET.

9.2 Electrochemical Cells

Topic 19 Oxidation and Reduction. 1)What is the oxidation number of P in PO 4 -3 ? 2)If Cu and Zn and connected, which is the anode? 3)What reaction (oxidation.

Redox Review. Create a Venn Diagram for Voltaic and Electrolytic cells.

Chemical Reactions Mr. Halfen Oct

Chapter 10.7 Electrolysis.

Mg(s) + Fe2+(aq) → Mg2+(aq) + Fe(s)

Electrolytic Cells.

The membrane keeps the chlorine gas away

Electrolysis of lead(II) bromide

Starter Under what conditions do ionic compounds conduct electricity?

Predicting products of electrolysis

Products from electrolysis

Chemistry AS – Redox reactions

C3.4 – Electrolysis and cells

Impure copper is purified by electrolysis using the apparatus shown.

ELECTROCHEMISTRY JEOPARDY: THE GAME

ELECTROLYSIS Products of Electrolysis

Make sure you revise the following:

A complete circuit is required for electric current to flow

Need help? Use these prompts

An electrolytic cell uses electricity to do a chemical reaction.

Need help? Use these prompts

Chapter 17: Electrochemistry

© Copyright The PiXL Club Ltd, 2016

C6.2 Changes at the electrodes

Electrolysis predictions and half equations. 19/05/2019

from a battery or other external energy source

© Copyright The PiXL Club Ltd, 2016

C4 – Chemical changes Key Concepts.

Chemistry Chapter 4 – Chemical changes – reactivity series, reduction and oxidation Write the reactivity series in order from most reactive to the least.

Presentation transcript:

© Pearson Education Ltd Copying permitted for purchasing institution only. This material is not copyright free. This document may have been altered from the original. 1 C3.13 Specification points 3.1 Explain that electrolytes are ionic substances in the molten state or dissolved in water. 3.2 Describe the movement of ions during electrolysis, such that: a positively charged cations migrate to the negatively charged cathode b negatively charged anions migrate to the positively charged anode.

© Pearson Education Ltd Copying permitted for purchasing institution only. This material is not copyright free. This document may have been altered from the original Demonstrate an understanding that oxidation can involve the loss of electrons and reduction can involve the gain of electrons. 3.4 Demonstrate an understanding that reduction occurs at the cathode and that oxidation occurs at the anode in electrolysis reactions. 3.5 Write half equations for reactions occurring at the anode and cathode in examples of electrolysis reactions in this unit. C3.13 Specification points

3.6 Describe the manufacture of sodium by the electrolysis of molten sodium chloride (details of the electrolytic cell are not required). 3.7 Recall that sodium can be used in street lamps and as a coolant in some nuclear reactors Explain the formation of the products in the electrolysis, using inert electrodes, including: d of molten lead bromide. C3.13 Specification points 3 © Pearson Education Ltd Copying permitted for purchasing institution only. This material is not copyright free. This document may have been altered from the original.

C3.13 Specification points © Pearson Education Ltd Copying permitted for purchasing institution only. This material is not copyright free. This document may have been altered from the original. 4 HSW 3 Describe how phenomena are explained using scientific models.