Ethanoate - Study guides, Class notes & Summaries

AQA A-level CHEMISTRY 7405/3 Paper 3 Version: 1.0 Final *JUN* IB/M/Jun23/E9 7405/3 For Examiner’s Use Question Mark 1 2 3 4 5 6 Section B TOTAL Friday 23 June 2023 Morning Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-poin...

This is the essay I submitted for unit 4b. I was graded a distinction on this paper. It includes all of the experiments needed for this topic, as well as test results and pictures. Every point on the Pearson's BTEC level 3 specification for this unit is covered.

This is my distinction grade assignment for unit 4 aim B on the preparation and testing of ethyl ethanoate, including the industrial manufacture. All criteria were met and I was awarded distinction. If you have any questions or concerns, please do not hesitate to get in touch. I hope you find my assignment helpful!

Unit 4 Aim B up to Distinction level with industrial and laboratory investigations and calculations for the purity and yield (percentage yield) of ethyl ethanoate

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023 | VERIFIED. there is a bung/stopper (in the end of the condenser) M2 idea of pressure build up M3 water goes the wrong way through the condenser M4 water does not fill the condenser / condenser is not cool enough owtte M2 stopper could be forced out IGNORE glass shatters / explodes water in at top / out at bottom IGNORE condenser is wrong way round ALLOW less condensing / vapour/gas/reactants/products will not condense / no...

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023 | VERIFIED. catalyst ALLOW reduces Ea IGNORE speeds up reaction IGNORE provides alternative path IGNORE proton donor IGNORE dehydrating agent 1 Question Answers Additional comments/Guidelines Mark 1.2 electric heater/heat mantle or (hot) water bath IGNORE not with a Bunsen/naked flame / gently ALLOW hot water ALLOW heating/hot plate/ sand bath / oil bath ALLOW reference to flame/Bunsen if in context of heating a water bath ...

This contains all the details needed for making ethyl ethanoate, including; Risk assessment, preparation of an Ester, methods, results as-well as calculations conclusions, laboratory manufacturing, Infrared spectroscopy of ethyl ethanoate, comparisons and factors and evaluation. Please ensure you look through your assignment brief as it targets for each school is different

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023. catalyst ALLOW reduces Ea IGNORE speeds up reaction IGNORE provides alternative path IGNORE proton donor IGNORE dehydrating agent 1 Question Answers Additional comments/Guidelines Mark 1.2 electric heater/heat mantle or (hot) water bath IGNORE not with a Bunsen/naked flame / gently ALLOW hot water ALLOW heating/hot plate/ sand bath / oil bath ALLOW reference to flame/Bunsen if in context of heating a water bath NOT any ind...

This assignment should be used for ideal purposes only although this assignment has achieved distinction level but this can't guarantee of giving you a distinction because each school may slightly have different criteria requirements. Everything you may need to complete your assignment might be found in this document.

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023. catalyst ALLOW reduces Ea IGNORE speeds up reaction IGNORE provides alternative path IGNORE proton donor IGNORE dehydrating agent 1 Question Answers Additional comments/Guidelines Mark 1.2 electric heater/heat mantle or (hot) water bath IGNORE not with a Bunsen/naked flame / gently ALLOW hot water ALLOW heating/hot plate/ sand bath / oil bath ALLOW reference to flame/Bunsen if in context of heating a water bath NOT any ind...