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OCR A-level Chemistry B (Salters) Paper 1 - 10th June 2025 [Exam Chat]

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Reply 20

Original post
by sandyl
Is everyone surviving I'm so unprepared absolutely finished cooked deep fried😭😭😭😭😭😭😭😭

Same like ik i'm gonna flop tomorrow's paper because i've focused so much on my other subjects 😭

Reply 21

Ready for the "this reaction has 5 steps, two are shown, work out the other three including the rate determining step"

Reply 22

If there’s questions on PL dna won’t be very happy 😂 hoping for more O CI and EL and ES

Reply 23

O and CI would be mint

Number of machemguy NMR videos I've watched there better be a good NMR question as well!

Reply 24

any1 w 3g for the mass q? the buffer one

Reply 25

Original post
by veuofn
any1 w 3g for the mass q? the buffer one

Yeah yeah 3.01 i think I got

Reply 26

Original post
by Mils12
Yeah yeah 3.01 i think I got

same. At least i got som right

Reply 27

what did u say for fats q. I said closer together. Stronger London Forces. More energy needed to break

Reply 28

Original post
by veuofn
same. At least i got som right
How did you find it, though t he multiple choice were harder than usual didn’t have time to check them at the end

Reply 29

Original post
by veuofn
what did u say for fats q. I said closer together. Stronger London Forces. More energy needed to break

Yeah same

Reply 30

Original post
by Mils12
Yeah same

what abt the last q. I obs said the silver nitrate and ammonia shi. But form copper 2 and iron 2 i waggled about Cl2 cause ligands and diff colours

Reply 31

the NMR was hella hard too imo. I got a benzene ring with ester and ethyl group. Which ik is wrong
(edited 8 months ago)

Reply 32

I liked this paper 😁

Reply 33

Original post
by veuofn
what abt the last q. I obs said the silver nitrate and ammonia shi. But form copper 2 and iron 2 i waggled about Cl2 cause ligands and diff colours

I Fed it up a bit then I only mentioned ammonia silver nitrate stuff forgot about ligand stuff

Reply 34

Original post
by veuofn
the NMR was hella hard too imo. I got a benzene ring with ester and ethyl group. Which ik is wrong
I got phenyl propanoate which seemed like it worked but I always f up nmr 😂

Reply 35

Original post
by Mils12
I got phenyl propanoate which seemed like it worked but I always f up nmr 😂


Me too

Reply 36

That was soo light

Reply 37

did u guys pick sodium hydroxide or carbonate. I went w hydroxide

Reply 38

Original post
by veuofn
did u guys pick sodium hydroxide or carbonate. I went w hydroxide

it is hydroxide but you had to explain because phenol is not acidic enough to react with carbonate

Reply 39

for the ln k q. sis u do ln4.777-ln3.46… or did u have to do som else to it