Chemistry · 2000 · November · Paper 3 · HL · Question paper
ChemistryQuestion paper2000HLNovember
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This question paper is listed under Chemistry in the 2000 examination archive. Its catalogue level is HL. 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
HIGHER LEVEL
PAPER 3
Wednesday 8 November 2000 (morning)
1 hour 15 minutes
N00/420/H(3)
INTERNATIONAL BACCALAUREATE
BACCALAURÉAT INTERNATIONAL
BACHILLERATO INTERNACIONAL
880-205 22 pages
INSTRUCTIONS TO CANDIDATES
! Write your candidate name and 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 in a continuation answer booklet, and indicate the number of booklets used in the
box below. Write your name and candidate number on the front cover of the continuation
answer booklets, and attach them to this question paper using the tag provided.
! At the end of the examination, indicate the letters of the Options answered in the boxes below.
Number
Name
TOTAL
/50
TOTAL
/50
TOTAL
/50
NUMBER OF CONTINUATION
BOOKLETS USED .........
/25/25/25
/25/25/25
IBCATEAM LEADEREXAMINEROPTIONS ANSWERED
Option C – Human biochemistry
C1. Vitamin A is the general name for a group of substances that include retinol and retinal, both of
which contain carbon to carbon double bonds.
[2]
(a) As their names suggest retinol and retinal differ in their structures by one functional group.
Give the structure of the functional group for each compound.
Retinol: ..................................................................
Retinal: ..................................................................
[1](b) In terms of electrons what is meant by the expression double bond?
.........................................................................
.........................................................................
[2]
(c) The molecular formula of retinol is . 100 of blood contains about 30 mg ofCHO19 30 cm3
retinol. Calculate the approximate concentration of retinol in blood in .mol dm-3
.........................................................................
.........................................................................
.........................................................................
[2]
(d) Given the above information, state whether the solubility of retinol will be greater in water
or in fat and explain your
File information
Subject
Chemistry
Document type
Question paper
Year
2000
Session
November
Level
HL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
314 KB
Pages
22
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