AQA A-LEVEL CHEMISTRY 7405/2
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AQA A-level CHEMISTRY 7405/2 2
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AQA A-Level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Mark scheme June 2022. Brown colour removed Goes colourless 
Allow (orange) brown to colourless 
Allow purple to colourless 
1 
(AO3) 
Question Answers Additional Comments/Guidelines Mark 
01.5 
As T increases rate (1/t ) increases OR time for completion decreases 
Exponentially 
OR 
By a greater/ increasing factor 
Many more particles have E ≥ Ea 
Or rate increases more and more as temp 
increases i.e. description of exponen...
- Examen
- • 34 páginas's •
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AQA A-Level CHEMISTRY 7405/2•AQA A-Level CHEMISTRY 7405/2
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AQA A-Level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Mark scheme June 2022. Brown colour removed Goes colourless 
Allow (orange) brown to colourless 
Allow purple to colourless 
1 
(AO3) 
Question Answers Additional Comments/Guidelines Mark 
01.5 
As T increases rate (1/t ) increases OR time for completion decreases 
Exponentially 
OR 
By a greater/ increasing factor 
Many more particles have E ≥ Ea 
Or rate increases more and more as temp 
increases i.e. description of exponen...
AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022
- Examen
- • 66 páginas's •
-
AQA A-level CHEMISTRY 7405/2•AQA A-level CHEMISTRY 7405/2
Vista previa 4 fuera de 66 páginas
Preparando tu documento...
AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022