7 Elimination reactions 3.3.5.3 Elimination AT b, d, g and k 15.4 Describe how alkenes can be Alkenes can be formed from alcohols PS 4.1: Students could Use molecular models formed from alcohols in acid by acid-catalysed elimination carry out the to demonstrate catalysed reactions reactions (mechanism not required). preparation of elimination reactions. Explain how alkenes produced cyclohexene from Use curly arrow to from alcohols can be used to Alkenes produced by this method cyclohexanol, including explain the mechanism produce addition polymers can be used to produce polymers purification using a of an elimination without the use of monomers without using monomers derived reaction in detail. derived from crude oil separating funnel and by from crude oil. Outline the mechanism for the distillation. elimination of water from alcohols 8 Preparation and 15.3 Required practical purification of Describe how to carry out the 15.4 5: Distillation of a cyclohexene from preparation of cyclohexene from product from a cyclohexanol cyclohexanol reaction. Explain how to purify the product Class carry out required using a separating funnel and practical to prepare and distillation purify cyclohexene from Calculate a percentage yield cyclohexanol Calculate the atom economy and percentage yield for the reaction. One hour lessons Learning Outcomes Specification Content Skills Covered Student Required Book Section Practicals CHAPTER 16 Organic analysis (6 hours) – 1 identifying functional 16.1 3.3.6.1 Identification of functional recall the reactions of functional groups groups by test-tube reactions groups in this specification Carry out a variety of describe and carry out test different tests to reactions to identify alcohol,
7 Elimination reactions Use molecular models to demonstrate elimination reactions. Use curly arrow to explain the mechanism of an elimination reaction in detail. Describe how alkenes can be formed from alcohols in acid catalysed reactions Explain how alkenes produced from alcohols can be used to produce addition polymers without the use of monomers derived from crude oil Outline the mechanism for the elimination of water from alcohols 3.3.5.3 Elimination Alkenes can be formed from alcohols by acid-catalysed elimination reactions (mechanism not required). Alkenes produced by this method can be used to produce polymers without using monomers derived from crude oil. AT b, d, g and k PS 4.1: Students could carry out the preparation of cyclohexene from cyclohexanol, including purification using a separating funnel and by distillation. 15.4 8 Preparation and purification of cyclohexene from cyclohexanol Class carry out required practical to prepare and purify cyclohexene from cyclohexanol Calculate the atom economy and percentage yield for the reaction. Describe how to carry out the preparation of cyclohexene from cyclohexanol Explain how to purify the product using a separating funnel and distillation Calculate a percentage yield 15.3 15.4 Required practical 5: Distillation of a product from a reaction. One hour lessons Learning Outcomes Specification Content Skills Covered Student Book Section Required Practicals CHAPTER 16 – Organic analysis (6 hours) 1 identifying functional groups Carry out a variety of different tests to recall the reactions of functional groups in this specification describe and carry out test reactions to identify alcohol, 3.3.6.1 Identification of functional groups by test-tube reactions 16.1
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