OCR AS Chemistry [Breadth] Mon 20th May Unofficial markscheme Watch

grebnesieH
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anyone do the breadth AS paper today???


Edit: to anyone reading this in 2020, don't cheat on your mocks.
Last edited by grebnesieH; 1 month ago
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iamhappy888
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How did you find it?
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grebnesieH
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(Original post by iamhappy888)
How did you find it?
The multiple choice wasnt that amazing but the rest was ok. Some really weird questions in there though. At least they're being original.
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HasooK
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Please could someone upload a markscheme and answers to any of the harder questions multiple choice answers
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Shrey22
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It was very mixed compared to previous years. Some questions were great but few were random
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grebnesieH
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(Original post by HasooK)
Please could someone upload a markscheme and answers to any of the harder questions multiple choice answers
What did you get for the CN polymer one? I wasnt sure whether it was C or D
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iamhappy888
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How did you find it?
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HasooK
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Put c but was unsure
(Original post by grebnesieH)
What did you get for the CN polymer one? I wasnt sure whether it was C or D
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nishathjk
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Brooo i didnt like it like it was easy but i was stupid so i out the wrong andwers
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grebnesieH
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(Original post by HasooK)
Put c but was unsure
Same i put C. What did you get enthalpy of formation?
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iamhappy888
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What were the answers for the last organic section? Was the second one a tertiary alcohol?
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grebnesieH
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(Original post by nishathjk)
Brooo i didnt like it like it was easy but i was stupid so i out the wrong andwers
ikr i think i may have messed up the multiple choices. probably made stupid mistakes
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Wanderingpro
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I put carboxylic acid for 1st none for 2nd and ketone for the 3rd. Not sure about the 3rd though because it was on the end
(Original post by iamhappy888)
What were the answers for the last organic section? Was the second one a tertiary alcohol?
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grebnesieH
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(Original post by iamhappy888)
What were the answers for the last organic section? Was the second one a tertiary alcohol?
Yes the second was tertiary. For the last one I think I put C4H4Cl6 if i remember right
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Wanderingpro
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absolutely clamped by the multiple the choice but the rest was fine
(Original post by iamhappy888)
How did you find it?
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grebnesieH
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(Original post by Wanderingpro)
I put carboxylic acid for 1st none for 2nd and ketone for the 3rd. Not sure about the 3rd though because it was on the end
I did the same. The 3rd was mid-chain so it was a secondary alcohol so its ketone
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HasooK
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Ngl left that one out. What did you put?
(Original post by grebnesieH)
Same i put C. What did you get enthalpy of formation?
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grebnesieH
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(Original post by HasooK)
Ngl left that one out. What did you put?
I got an answer of +90 somehow but I just put -90 because its formation. I was really confused by that one, it wasnt a normal enthalpy question.
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harry1221212
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I think your lying mate
(Original post by grebnesieH)
I got an answer of +90 somehow but I just put -90 because its formation. I was really confused by that one, it wasnt a normal enthalpy question.
(Original post by HasooK)
Ngl left that one out. What did you put?
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grebnesieH
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(Original post by harry1221212)
I think your lying mate
???
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