2 Jun 2018 Mark schemes are prepared by the Lead Assessment Writer and considered together with the relevant questions
many or too few hydrogens on the middle carbon) if you got it wrong
12 Jun 2018 Answer all questions in the spaces provided. 0 1. This question is about the reactions of alkanes. 0 1 . 1 Alkanes can be used as fuels.
Test an identified. (hydrogen) carbonate acidified. K2Cr2O7 acidified Test. Tollens. Fehlings or. Benedicts iodoform or. I2/NaOH acidified. K2Cr2O7.
AS and A-level Chemistry question requires correct IUPAC nomenclature. ... MARK SCHEME – AS-LEVEL CHEMISTRY –7404/2 – JUNE 2016. 9 of 24. Question.
schemes at aqa.org.uk/gcse-science 4. vocabulary units
3 Jun 2018 Mark schemes are prepared by the Lead Assessment Writer and considered together with the relevant questions
1. 2–aminopropanoic acid or 2–aminopropionic acid 1. 2 optically inactive OR equal mixture of enantiomers / optical isomers planar carbonyl group (stated or
MARK SCHEME – A-LEVEL CHEMISTRY – 7405/2 – JUNE 2017. 3 of 32. A-Level Chemistry term or if the question requires correct IUPAC nomenclature.
1 Jun 2016 Further copies of this mark scheme are available from aqa.org.uk. Page 3. 3 of 17. AS and A-level Chemistry. Mark scheme ...
Mark scheme (A-level) : Paper 2 Organic and physical chemistry