Apart from the six marker flavanol drawing part, it seemed easy and much less time pressure than paper 1. Everyone at my college seem to agree which means that I think a lot of high scores with this paper so all relative

Reply 8

Eumaps

2

Original post by RudelyHonest

That was probably, by far, the worst paper I did

Agreed

Reply 9

Munrhe

13

Apart from the six marker flavanol drawing part, it seemed easy and much less time pressure than paper 1. Everyone at my college seem to agree which means that I think a lot of high scores with this paper so all relative

Harder than paper 1

Original post by Munrhe

Anyone any idea about the flavanol structure of the Ester that we were meant to draw?

The 4 compounds were ethanoic acid, ethyl ethanoate, flavan-3-one (the OH group oxidises into a ketone), and the last one is where the OH group in flanvan-3-ol become part of an ester with ethanoic acid, don't know how to name it though.

Reply 12

slily

7

Omg same that is the only question that completely drew off.

Original post by Munrhe

Apart from the six marker flavanol drawing part, it seemed easy and much less time pressure than paper 1. Everyone at my college seem to agree which means that I think a lot of high scores with this paper so all relative

Reply 13

Munrhe

13

Thank you very much

Original post by mildhan

The 4 compounds were ethanoic acid, ethyl ethanoate, flavan-3-one (the OH group oxidises into a ketone), and the last one is where the OH group in flanvan-3-ol become part of an ester with ethanoic acid, don't know how to name it though.

Reply 14

laca123

6

i found this harder than paper 1 but think ive done better in this lol

Reply 15

tesconyc

18

That was so bad. I want to cry

Reply 16

Photsonex

1

That's 5 though, was it 4 AND one with a fruity smell? I read it as 4 compounds, one of which had a fruity smell?

Original post by mildhan

The 4 compounds were ethanoic acid, ethyl ethanoate, flavan-3-one (the OH group oxidises into a ketone), and the last one is where the OH group in flanvan-3-ol become part of an ester with ethanoic acid, don't know how to name it though.

Reply 17

Karam-Mohammed

4

What was answer for the impurity question

Reply 18

Sum Mmed

9

mass of carbon 1.7g
k=3.0something mol^2dm^-6s-1
also the last mechanism? i didnt see it in our textbook?
what did you guys circle for 4.8ppm?

(edited 4 years ago)

Reply 19

za1341

10

wasn’t it 3.8ppm? and i circled the ester C-H-O- bond.

Original post by Sum Mmed

yield 60.3%
mass of carbon 1.7g
k=3.0something mol^2dm^-6s-1
also the last mechanism? i didnt see it in our textbook?
what did you guys circle for 4.8ppm?

Edexcel A Level Chemistry 2019 Paper 2 June 11th 2019 Unofficial Mark Scheme

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