Curly arrow mechanisms - Study guides, Revision notes & Summaries
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AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *Jun237405201* IB/M/Jun23/E8 7405/2QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 66 pages • 2024
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AQA 
A-level 
CHEMISTRY 
7405/2 
Paper 2 Organic and Physical Chemistry 
Version: 1.0 Final 
*Jun* 
IB/M/Jun23/E8 7405/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Monday 19 June 2023 Afternoon Time allowed: 2 hours 
Materials 
For this paper you must have: 
• the Periodic Table/Data Booklet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions 
• Us...
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AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *Jun237405201* IB/M/Jun23/E8 7405/2// QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 66 pages • 2024 Popular
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AQA 
A-level 
CHEMISTRY 
7405/2 
Paper 2 Organic and Physical Chemistry 
Version: 1.0 Final 
*Jun* 
IB/M/Jun23/E8 7405/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Monday 19 June 2023 Afternoon Time allowed: 2 hours 
Materials 
For this paper you must have: 
• the Periodic Table/Data Booklet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions 
• Us...
-
AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Mark scheme June 2022
- Exam (elaborations) • 31 pages • 2023
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AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Mark scheme June 2022. MARK SCHEME – AS CHEMISTRY – 7404/2 – JUNE 2022 
Organic names 
As a general principle, non-IUPAC names or incorrect spelling or incomplete names 
should not gain credit. Some illustrations are given here. 
Unnecessary but not wrong numbers will not be penalised such as the number ‘2’ in 2- 
methylpropane or the number ‘1’ in 2-chlorobutan-1-oic acid. 
but-2-ol should be butan-2-ol 
2-hydroxybut...
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AQA A-level CHEMISTRY ORGANIC AND PHYSICAL CHEMISTRY MARKING SCHEME PAPER 2 2020|100% VERIFIED
- Exam (elaborations) • 34 pages • 2024
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OH	 
	 	CH3	 	CH3CH2 	OH	 
	allowed 	allowed 	not allowed 	not allowed 	not allowed 
NH2NO2 
NH2 
	 	NH2	 
	NH2	 
	allowed 	allowed 	allowed 	allowed 	not allowed 
	CN C	 	COOH	 	 
 	CN	 	COOH	 	COOH not allowed 	not allowed 	not allowed 	not allowed 	not allowed 
	CHO	 			 
not allowed 
 	not allowed 	not allowed 	not allowed 	not allowed 
	CHO 	 	 	COCl	 
	 CHO 	COCl	 
•	Representation of CH2 by C−H2 will be penalised 
•	Some examples are given here of structures for s...
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aqa_a_level_chemistry_7405_1_paper_1and_2_inorganic_and_physical_chemistry_exam_and__mark_scheme
- Exam (elaborations) • 31 pages • 2024
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A-level 
CHEMISTRY 
7405/1 
Paper 1 Inorganic and Physical Chemistry 
Mark scheme 
June 2023 
Version: 1.0 Final 
AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2023, 
Exams for Chemistry 
*206A74051/MS* 
 
AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 
2022, Exams for Chemistry 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant 
questions, by a panel of subject teach...
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AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2023, Exams for Chemistry
- Exam (elaborations) • 29 pages • 2024
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AQA A-level CHEMISTRY 7405-1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 
2023 Exams for Chemistry 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant 
questions, by a panel of subject teachers. This mark scheme includes any amendments made at the 
standardisation events which all associates participate in and is the scheme which was used by them in 
this examination. The standardisation process ensures that the mark scheme covers the...
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Chemistry A-Level (AQA) : 3.1 (Introduction to organic chemistry) questions and answers latest top score.
- Exam (elaborations) • 3 pages • 2024
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Chemistry A-Level (AQA) : 3.1 (Introduction to organic chemistry) questions and answers latest top score. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
What is empirical formula? - correct answer. Simplest whole number ratio of atoms of each element in a compound 
 
What is molecular formula? - correct answer. Actual number of atoms of each element in a compound. 
 
What is general formula? - correct answer. Algebraic formula for a homologous series 
 
What is structural formula? - correct answer. Shows ...
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A-level CHEMISTRY 7405/3
- Exam (elaborations) • 45 pages • 2024
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A-level 
CHEMISTRY 
7405/3 
Paper 3 
Mark scheme 
June 2024 
 
Version: 1.0 Final 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*246A7405/3/MS* 
 
 
 
 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisat...
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AQA A-LEVEL Chemistry 7405-1 Paper 1 Mark Scheme.
- Exam (elaborations) • 29 pages • 2024
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AQA A-LEVEL Chemistry 7405/1 Paper 1 Mark Scheme 
 
AS and A-Level Chemistry 
Mark Scheme Instructions for Examiners 
1.	General 
The mark scheme for each question shows: 
•	the marks available for each part of the question 
•	the total marks available for the question 
•	the typical answer or answers which are expected 
•	extra information to help the examiner make his or her judgement and help to delineate what is acceptable or not worthy of credit or, in discursive answers, to give a...
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AQA A Level Chemistry Definitions questions and answers latest top score.
- Exam (elaborations) • 7 pages • 2024
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AQA A Level Chemistry Definitions questions and answers latest top score. 
 
 
 
 
 
 
 
 
 
 
 
 
Relative Atomic Mass - ANS.The weighted mean mass of an atom of an element relative to 1/12 of the mass of one atom of carbon-12 
 
First Ionisation energy - ANS.The energy required to remove an electron from each atom in one mole of gaseous atoms 
 
Acid - ANS.A species that is a proton donor 
 
Activation Energy - ANS.The minimum energy required to start a reaction by the brea...
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