pptx, 2.54 MB
pptx, 2.54 MB
doc, 24.39 MB
doc, 24.39 MB

Homogeneous catalysis and heterogeneous catalysis. Homogeneous catalysis mechanism. Iodide and persulphate ions. Examples of homogeneous catalysts? All this and more covered in this comprehensive lesson with questions and answers! This is a Year 13 A level lesson for Edexcel International Unit 5 – WCH15, but it can also be used for all UK exam boards. All the slides in this lesson are fully animated and include answers to every mini plenary question and exam question.

Slide 1 - Title and 5-minute starter. The starter is a grid of four questions entitled ‘last week, last lesson, today’s learning and future learning’. Use this generic slide for all your lessons by simply changing the questions and the answers each time.
Slide 2 - Lesson objectives (see thumbnail image)
Slide 3 – definition of homogeneous catalysts
Slide 4 – how do homogeneous catalysts work?
Slide 5 – this slide explains the catalysis of the reaction between iodide and persulfate ions
Slide 6 – an alternative mechanism with iron(III) as a catalyst
Slide 7 – definition of autocatalysis
Slide 8 – an example of autocatalysis (ethanedioate ions by an acidified potassium manganate(VII)
Slide 9 – concentration-time graph for the reaction between mangante(II) ions and ethanedioate ions
Slides 10 – 11: hidden slides of the graph which you can print for your students
Slide 12 - learning pit stop questions to test students’ understanding so far. Answers animate on the screen when you click
Slides 13 – 14: nitrogen oxides act as a catalyst for the formation of acid rain. This section explains how with clear, chemical equations
Slides 15 – 24: exam questions with mark scheme answers included with this resource

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Edexcel International A level Chemistry - lessons with questions and answers | Topic 17 | Transition Metals and Their Chemistry

This bundle is comprised of 12 PowerPoint lessons covering **Topic 17 – ‘Transition Metals and their chemistry’** for the Edexcel International A level Chemistry course, Unit 5 – WCH15, but it can be used for all UK exam boards which have a Transition Metals unit. The PowerPoints are as follows: 1. Transition metals 2. Ligands and complexes 3. Colours in complexes 4. Shapes of complexes 5. Multidentate ligands 6. Reactions of complexes – copper 7. Reactions of complexes – cobalt and iron 8. Reactions of complexes – chromium and manganese 9. Reactions of complexes – vanadium 10. Reactions of complexes – zinc and nickel 11. Heterogeneous catalysis 12. Homogeneous catalysis Each lesson is exactly that . . . a lesson. There is a starter slide, lesson objectives slide, introduction of new knowledge slides, worked examples and then opportunities for students to try independent practice through mini plenary tasks comprised of several questions of graded difficulties. Questions are interspersed through the lessons at regular intervals and always have answers that animate on to the screen when you click. THESE ARE NOT THE INFORMATION ONLY TYPE SLIDES THAT SOME PEOPLE SELL, which are useless for delivering a lesson. We are a team of teachers, and these lessons have been made by actual Chemistry teachers who currently teach in secondary schools in England. We know exactly what you need, trust us. Every lesson has exam questions included as word documents which were made using Exam wizard. The mark scheme is at the end of each exam question and the answers have been screen shotted and pasted into the PowerPoint at the end. All the slides in every lesson are fully animated and include answers to every mini plenary question and exam question. Please note: core practicals have not been included, as we are preparing a separate resource for all the core practicals. Watch this space! Please consider leaving a review! It really helps promote our store! Thank you! *PS: we have thrown in a bonus resource free of charge! Enjoy the chemistry drill rap about heterogeneous catalysis by MC Afrique, who is an affiliate of Lifeboat Teachers!*

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