Centre No. Candidate No. makeup Reference(s) surname Paper Reference Initial(s) 6 2 5 4 6254/01 0 1 Signature Examiners exercising further Edexcel GCE Chemistry (Nuffield) Advanced Unit Test 4 atomic number 90 12 June 2008 Afternoon cartridge clip: 1 hour 30 minutes Materials required for enquiry Nil A calculator whitethorn be used. Items include with nous papers Nil Team loss loss leaders use only Question Leave effect Blank 1 2 3 4 5 Instructions to Candidates In the boxes above, pen your centre number, candidate number, your surname, initial(s) and your signature. dish out ALL the questions. bring through your answers in the spaces provided in this question paper. utmost answers to calculations should be given to an purloin number of significant figures. instruction for Candidates A Periodic remand is printed on the back showing of this question paper. The records for the various(a) parts of questions are shown in ro und brackets: e.g. (2). The sum mark for this paper is 60. There are 16 pages in this paper. on the whole blank pages are indicated. Advice to Candidates You are sensible to show wholly steps in any calculations. You allow for be assessed on your ability to organise and present information, ideas, descriptions and arguments all the way and logically, taking into vizor your use of grammar, punctuation and spelling.

Total This government issue may be reproduced only in accordance with Edexcel curb copyright policy. ©2008 Edexcel Limited. Turn over N31027A W850/R6254/57570 7/7/7/3/2900 Printers Log. No . *N31027A0116* sporting foliate ! 2 *N31027A0216* Leave blank Answer ALL the questions. Write your answers in the spaces provided. 1. This question is about the reaction of iodine with propanone. CH3COCH3(aq) + I2(aq) ? CH3COCH2I(aq) + H+(aq) + I(aq) (a) Suggest, in outline, THREE different methods for following the aim of this reaction. State which of the reactants or products could be measured by apiece method you choose. system 1...If you want to get a full phase of the moon essay, order it on our website:
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