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OCR_A level Chemistry_Marking Scheme 1_2020 | SPS F108 12.1_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters
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SPS F108 12.1_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters_A level_OCR_Chemistry_Marking Scheme 1 Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters Mark Scheme 1 Level A Level Exam Board OCR Sub-Topic Time Allowed: 86 minutes Score: /71 Percentage: /100 Grade Boundaries: A* A B C D E U >85% 77.5% 70% 62.5% 57.5% 45% <45% Question Answer Mark Guidance 1 (a) (Relative) solubility (in stationary phase)  1 ALLOW how well...

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OCR_A level Chemistry_Marking Scheme 2_2020 | SPS F108 12.2_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters
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SPS F108 12.2_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters_A level_OCR_Chemistry_Marking Scheme 2 Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters Mark Scheme 2 Level A Level Exam Board OCR Sub-Topic Time Allowed: 76 minutes Score: /63 Percentage: /100 Grade Boundaries: A* A B C D E U >85% 77.5% 70% 62.5% 57.5% 45% <45% Question Answer Mark Guidance 1 (a) monomers join/bond/add/react/form polymer/form chain AND anot...

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OCR_A level Chemistry_Marking Scheme 3_2020 | SPS F108 12.3_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters
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Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters Mark Scheme 3 Level A Level Exam Board OCR Sub-Topic Time Allowed: 78 minutes Score: /65 Percentage: /100 Grade Boundaries: A* A B C D E U >85% 77.5% 70% 62.5% 57.5% 45% <45% Question er Mark Guidance 1 (a) (CH3CO)2O + CH3CH(OH)CH3  CH3COOCH(CH3)2 + CH3COOH ALLOW correct structural OR displayed OR skeletal formula ALLOW combination of formulae as long as unambiguous DO NOT ALLOW mole...

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OCR_A level Chemistry_Paper 2 & Marking Scheme 2_2020 | SPS F108 12.2_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters
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OCR_A level Chemistry_Paper 2_2020 | SPS F108 12.2_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters OCR_A level Chemistry_Marking Scheme 2_2020 | SPS F108 12.2_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters

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OCR_A level Chemistry_Paper 3 & Marking Scheme_2020 | SPS F108 12.3_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters
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OCR_A level Chemistry_Paper 3_2020 | SPS F108 12.3_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters OCR_A level Chemistry_Marking Scheme 3_2020 | SPS F108 12.3_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters

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Carbonyl chemistry
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Notes on carbonyl chemistry, nucleophilic addition to carbonyls, use of organometallic reagents, acetal formation, nucleophilic substitution, the reactivity of these reagents, enolates

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  •  • 27 pages • 
  • by sophieberry • 
  • uploaded  21-03-2020
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OCR_A level Chemistry_Paper 1 & Marking Scheme 1_2020 | SPS F108 12.1_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters_Graded A
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OCR__A level Chemistry_Paper 1_2020 | SPS F108 12.1_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters OCR_A level Chemistry_Marking Scheme 1_2020 | SPS F108 12.1_Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters

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Monofunctional Carbonyls Notes
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Carbanions are looked at with examples and how to stabilise through inductive and resonance effects. Enolate formation reaction is introduced and a look at different bases and how complete deprotonation can be. The stabilisation of enolates develops the topic before the α-halogenation by base or acid catalysed reactions. More enolate reactions are given. Alkylate aldehydes formation through enamines. Aldol reaction through acid and base conditions in either equilibrating and non-equilibrating c...

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  • by sophieberry • 
  • uploaded  02-06-2020
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Difunctional Carbonyls notes
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An introduction to the reactions of malonates and 1,3 dicarbonyls including Claisen reaction, alkylation, ring synthesis. A look at enones, how to create them and their reactivity of 1,2 and 1,4 addition attack, the use of organometallics with enones. Then notes on the formation and addition of 1,5 dicarbonyls including Robinson's annelation. An introduction to the disconnection approach for retrosynthesis. 1,4 dicarbonyls and their reactions are introduced. 1,2 Dicarbonyls/Difunctionals reacti...

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  •  • 15 pages • 
  • by sophieberry • 
  • uploaded  30-05-2020
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