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OCRA A level chemistry 2024 paper 2

Any predictions on paper 2?
Original post by itzzz_yousuf
Any predictions on paper 2?

no idea 😭
Anyone made an unofficial mark scene yet?
Reply 3
loved that paper
Reply 4
tell me I'm not the only one who found some of that so tricky
Reply 5
Original post by x.roisin
tell me I'm not the only one who found some of that so tricky

Which bits did you find hard?
Reply 6
Original post by x.roisin
tell me I'm not the only one who found some of that so tricky

idk the question on number of molecules really put me off tho
Original post by Hunbba
idk the question on number of molecules really put me off tho
I got like 86500 or somebting liek tht anyone else??
( the question about whts the MR of 500 of the polymer right? )
Also dw about it tbt was only like 3 marks :smile:
Original post by bismah_ahmed02
I got like 86500 or somebting liek tht anyone else??
( the question about whts the MR of 500 of the polymer right? )
Also dw about it tbt was only like 3 marks :smile:
you had to then minus the number of water molecules removed from each link ie. - (499x18). It comes out to like 73500 something like that can’t remember exactly
Original post by funkymonkey2
you had to then minus the number of water molecules removed from each link ie. - (499x18). It comes out to like 73500 something like that can’t remember exactly

NOOOOO Yh ur right I think u had to add water acc cuz the bonds will be fully formed in the polymer n not liek it appears as a repeat unit
(edited 1 month ago)
Original post by bismah_ahmed02
NOOOOO Yh ur right I think u had to add water acc cuz the bonds will be fully formed in the polymer n not liek it appears as a repeat unit

Does anyone remember if radical substitution equation we had to do and the limitations of it because now I'm stressed I did the wrong thing?
Which bits did you find hard?

not hard so much but I forgot the nucleophilic addition mechanism for the carbonyl group and little things on the reaction map like using hcl/sn instead of H2/NI. just know I've missed so many little marks

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