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CIE Nov 2014 v1 Paper 2 Q4
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![PMT A series of reactions based on propanoic acid is shown. 10 CH3CH2CO2H CaCO3 three products reaction 1 reaction 2 CH3CH2CH2OH reaction 3 CH3CO2CH2CH2CH3 (a) Write an equation for reaction 1, using [H] to represent the reducing agent.[2] (b) (i) What type of reaction is reaction 2?[1] (ii) Suggest a suitable reagent and conditions for reaction 2.[2] (c) Write an equation for the reaction of propanoic acid with calcium carbonate, CaCO3.[2] (d) (i) Suggest a suitable reagent and conditions for reaction 3.[2] (ii) Identify the other product of reaction 3.[1] [Total: 10]UCLES 2014 9701/21/O/N/14<br />](https://learnah.org/wp-content/uploads/2018/08/November_2014_v1_QP_-_Paper_2_CIE_Chemistry_A-level_4.jpg)
![PMT Marks Total [2] [10] 1+1 [2] [1] [2] 1+1 [2] [2] [1] [10] Page 6 Mark Scheme Syllabus Paper Cambridge International AS/A LevelOctober/November 2014 9701 21 Question Mark Scheme (c) reagent; NaBH4 or LiA l H4 or names product; propan-2-ol (a) CH3CH2CO2H + 4[H]CH3CH2CH2OH + H2O (b) (i) Oxidation (ii) Sodium / potassium dichromate or correct formula + / acidified and (heat under) reflux (c) 2 CH3CH2CO2H + CaCO3(CH3CH2CO2)2Ca + H2O + CO2 (d) (i) CH3CO2H warm / hot / high temperature / heat / reflux AND concentrated sulfuric acid (ii) water (or hydrogen chloride or ethanoic acid)Cambridge International Examinations 2014<br />](https://learnah.org/wp-content/uploads/2018/08/November_2014_v1_MS_-_Paper_2_CIE_Chemistry_A-level_4.jpg)