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CIE Nov 2014 v3 Paper 2 Q4
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![PMT A series of reactions based on propan-1-ol is shown. 10 CH3CH2CH2OH reaction 1 CH3CH=CH2 steam catalyst U (C3H8O) reaction 2 CH3CH2CO2H reaction 3 HBr (a) Suggest a suitable reagent and conditions for reaction 1.[2] (b) (i) Write an equation for reaction 2, using [O] to represent the oxidising agent.[1] (ii) Suggest a suitable reagent and conditions for reaction 2.[2] (c) Give the structural formulae of U and V. UV[2] (d) Suggest a suitable reagent and conditions for reaction 3.[2] [Total: 9]UCLES 2014 9701/23/O/N/14<br />](https://learnah.org/wp-content/uploads/2018/08/November_2014_v3_QP_-_Paper_2_CIE_Chemistry_A-level_4.jpg)
![Page 7 Mark Scheme Syllabus Paper Cambridge International AS/A LevelOctober/November 2014 9701 23 Question Mark Scheme (a) reagent = conc H2SO4 or conc H3PO4 conditions = heat OR pass vapour over hot Al2O3 reagent conditions (b) (i) C3H7OH + 2[O] C2H5CO2H + H2O (ii) reagent = sodium / potassium dichromate or correct formula conditions = H+ / acidified and (heat under) reflux (c) (d) U = CH3CH(OH)CH3 V = CH3CHBrCH3 OR U = CH3CH2CH2OH V = CH3CH2CH2Br reagent = KOH / NaOH conditions = ethanol / alcohol AND Heat / refluxCambridge International Examinations 2014 Marks Total 1 1 1 1 1 1 [2] [1] [2] [2] [2] [9]<br />](https://learnah.org/wp-content/uploads/2018/08/November_2014_v3_MS_-_Paper_2_CIE_Chemistry_A-level_4.jpg)