A complete lesson including starter activity, AfL work tasks and main work tasks (all with answers included) on Chirality
By the end of this lesson KS5 students should be able to:
- To know that optical isomerism is an example of stereoisomerism, in terms of non- superimposable mirror images about a chiral centre
- To identify chiral centres in a molecule of any organic compound.
- To construct 3D diagrams of optical isomers including organic compounds and transition metal complexes
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Nitrogen Compounds & Polymers (OCR)
6 Full Lesson Bundle on Nitrogen Compounds and Polymers suitable for the OCR A Level Chemistry specification. Please review the learning objectives below. Lesson 1: Introduction to Amines 1. To know how to name amines using IUPAC rules 2. To understand the basicity of amines in terms of proton acceptance by the nitrogen lone pair 3. To understand the reactions of amines with dilute inorganic acids Lesson 2: Preparation of Amines 1. To know the reaction steps involved in the preparation of aromatic amines by reduction of nitroarenes using tin and concentrated hydrochloric acid 2. To know the reaction steps involved in the preparation of aliphatic amines by substitution of haloalkanes with excess ethanolic ammonia or amines 3. To explain the reaction conditions that favours the formation of a primary aliphatic amine 4. To explain the reaction conditions that favours the formation of a quaternary ammonium salt Lesson 3: Amino Acids and Their Reactions 1. To know the general formula for an α-amino acid as RCH(NH2)COOH 2. To understand the following reactions of amino acids: (i) reaction of the carboxylic acid group with alkalis and in the formation of esters (ii) reaction of the amine group with acids Lesson 4: Chirality 1. To know that optical isomerism is an example of stereoisomerism, in terms of non- superimposable mirror images about a chiral centre 2. To identify chiral centres in a molecule of any organic compound. 3. To construct 3D diagrams of optical isomers including organic compounds and transition metal complexes Lesson 5: Amides 1. To review the synthesis of primary and secondary amides 2. To understand the structures of primary and secondary amides 3. To name primary and secondary amides Lesson 6: Condensation Polymers 1.To know that condensation polymerisation can lead to the formation of i) polyesters ii) polyamides 2. To predict from addition and condensation polymerisation: i) the repeat unit from a given monomer(s) (ii) the monomer(s) required for a given section of a polymer molecule (iii) the type of polymerisation 3. To understand the acid and base hydrolysis of i) the ester groups in polyesters ii) the amide groups in polyamides
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