Hydrocarbons bundle OCR AS Chemistry

My resources now cover the whole of OCR AS Chemistry.
Each download includes a list of all available lessons and bundles.
This bundle covers the OCR A level chemistry specification sections 4.1.2 (alkanes) and section 4.1.3 (alkenes).
The resources included are:

• introduction to alkanes
• reactions of alkanes
• alkenes
• polymers from alkenes

Each topic includes a fully interactive PowerPoint including starter, group activities, questions and plenary along with a worksheet. Answers to all exercises are provided. Some of the resources include a PowerPoint quiz and all are ideal for classroom or home learning.

This bundle is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 4– Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.2 alkanes (all) and 4.1.3 alkenes (all)

Content covered:
Introduction to alkanes
 Sources and uses of alkanes
 Definitions of fossil fuels and crude oil
 Uses of alkanes as fuels
 Bonding in alkanes
 Formation and rotation of sigma bonds
 Shapes of alkanes
 Intermolecular forces in alkanes in terms of non-polar molecules
 Melting and boiling points of alkanes in terms of London forces
 Effect of chain length and branching on London forces

Reactions of alkanes
 Reactivity of alkanes
 Combustion of alkanes – complete and incomplete
 Balancing combustion equations
 Radicals and dot-and-cross diagrams
 Radical chain reactions
 Radical substitution of alkanes by halogens
 Mechanism including initiation, propagation and termination
 Limitations to the use of radical substitution in synthesis of halogenoalkanes

Alkenes
 Structure and reactivity of alkenes
 The nature of the double bond – sigma and pi bonds
 Explanation of restricted rotation around C=C
 Shape of ethene in terms of electron pair repulsion theory
 Addition reactions of alkenes
 Reactions of ethene and propene including addition of halogens, steam, hydrogen halides and hydrogen
 Test for alkenes with aqueous bromine
 Catalytic addition of hydrogen - mechanism
 Margarine manufacture
 Definition of electrophile
 Electrophilic addition mechanism
 Addition of HX to unsymmetrical alkenes - Markownikoff’s rule and explanation

Polymers from alkenes
 meaning of the terms addition polymer and monomer
 the formation of poly(ethene)
 general equation for polymer formation
 identifying the monomer from the repeat unit of the monomer
 disposal of waste polymers by recycling, cracking and combustion
 bioplastics
 biodegradable polymers
 photodegradable polymers

Links
Next lesson: Topic 43 - Chemistry of alcohols
https://www.tes.com/teaching-resource/chemistry-of-alcohols-as-chemistry-12273938
Next small bundle:
Alcohols, haloalkanes and organic synthesis
https://www.tes.com/teaching-resource/alcohols-haloalkanes-and-organic-synthesis-bundle-ocr-as-chemistry-13349384