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Chemistry · 2009 · May · Paper 3 · SL · TZ2 · Question paper

ChemistryQuestion paper2009SLMay

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This question paper is listed under Chemistry in the 2009 examination archive. Its catalogue level is SL. The catalogue session is May. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

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2209-6118 25 pages M09/4/CHEMI/SP3/ENG/TZ2/XX+ Tuesday 19 May 2009 (morning) CHEMISTRY STANDARD lE vEl PAPER 3 INSTRUCTIONS TO CANDIDATES • Write your session number in the boxes above. • Do not open this examination paper until instructed to do so. • Answer all of the questions from two of the Options in the spaces provided. You may continue your answers on answer sheets. Write your session number on each answer sheet, and attach them to this examination paper and your cover sheet using the tag provided. • At the end of the examination, indicate the letters of the Options answered in the candidate box on your cover sheet and indicate the number of answer sheets used in the appropriate box on your cover sheet. 1 hour [Personal identifier removed] © International Baccalaureate Organization 2009 2 2 0 9 6 1 1 8 0125 2209-6118 – 2 – M09/4/CHEMI/SP3/ENG/TZ2/XX+ Option A — Modern analytical chemistry A1. (a) Distinguish between an absorption spectrum and an emission spectrum. ....................................................................... ....................................................................... ....................................................................... ....................................................................... [2] (b) Identify the most suitable spectroscopic technique to (i) distinguish between butan-1-ol and butan-2-ol. .................................................................. (ii) determine the concentration of cadmium ions in polluted water. .................................................................. [1] [1] (c) The following diagram represents a thin-layer chromatogram of an amino acid. solvent front start (i) Outline the principle of thin-layer chromatography. Refer in your answer to the nature of the mobile and stationary phases and the reason why a mixture of amino acids can be separated using this method. .................................................................. .................................................................. .................................................................. .................................................................. [2] (This question
File information
Subject
Chemistry
Document type
Question paper
Year
2009
Session
May
Level
SL
Paper
3
Examination zone
TZ2
Language
Not labelled in the archive
File size
733 KB
Pages
25
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