Chemistry · 2005 · November · Paper 3 · SL · Question paper
ChemistryQuestion paper2005SLNovember
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This question paper is listed under Chemistry in the 2005 examination archive. Its catalogue level is SL. The catalogue session is November. 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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CHEMISTRY
STANDARD LEVEL
PAPER 3
Tuesday 8 November 2005 (morning)
1 hour
N05/4/CHEMI/SP3/ENG/TZ0/XX+
IB DIPLOMA PROGRAMME
PROGRAMME DU DIPLÔME DU BI
PROGRAMA DEL DIPLOMA DEL BI
c
88056106
8805-6106 18 pages
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 Op tions 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 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 us ed in the appropriate box on
your cover sheet.
[Personal identifier removed]
Option A Higher physical organic chemistry
A1. The oxidation of nitrogen monoxide takes place as follows:
222 N O ( g ) O( g ) 2 N O( g )+ →
The following experimental data was obtained at 101.3 kPa and 298 K.
26.00 10 −×27.00 10 −×27.00 10 −×3
37.50 10 −×23.50 10 −×23.50 10 −×2
33.75 10 −×21.75 10 −×23.50 10 −×1
Initial rate / 31mol dm s− −Initial / 2[O ] 3mol dm− Initial
3[NO] / mol dm−
Experiment
[1](a) Deduce the order of reaction with respect to . 2O
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[1](b) Deduce the order of reaction with respect to NO.
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[1](c) State the rate expression for the reaction.
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[2](d) Calculate the value of the rate constant and state the units.
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[3]
(e) Suggest a possible mechanism that is consiste nt with
File information
Subject
Chemistry
Document type
Question paper
Year
2005
Session
November
Level
SL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
192 KB
Pages
18
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