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OCR Chemistry F321 Discussion

Angelo12231

Grade boundaries?
Id say:
44 = A
40 = B
35 = C

How'd it go?

(edited 8 years ago)

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Reply 1

ebally

Just realised that I said NH4 had permanent dipoles, not hydrogen bonding......*major face palm* :frown:

Reply 2

SeaSquab

Why lanthanides OCR? Why?

Reply 3

Noodle-Chan

it was different to the other past papers imo, much harder. :|

Reply 4

Angelo12231

Original post by ebally

Just realised that I said NH4 had permanent dipoles, not hydrogen bonding......*major face palm* :frown:

Lol I literally listed points on that question, didn't even finish

Reply 5

lukejoshjames

Original post by ebally

Just realised that I said NH4 had permanent dipoles, not hydrogen bonding......*major face palm* :frown:

Same, but as long as you talked about van der waals' for the other molecules, you should get 3-4 marks for the question.

Reply 6

Nucleotide

THis paper was significantly harder than last years

For full UMS last year it was 56/60. This year: I reckon 55/60

Reply 7

Angelo12231

Original post by Noodle-Chan

it was different to the other past papers imo, much harder. :|

Well, people were crying how easy it was apparently. It took me so long to do the calc question and it was an unconventional paper. Periodic trends, being the easy part of f321, didn't hold many marks either so definitely unconventional

Reply 8

Angelo12231

Original post by Nucleotide

THis paper was significantly harder than last years

For full UMS last year it was 56/60. This year: I reckon 55/60

Potentially lower

Reply 9

AstroNandos

I thought grade boundaries will be 48/9 for an A, seemed easier than most past papers

Reply 10

dash52

it was nh3 not nh4, i wrote permanent dipole instead of hydrogen... right guys?

Reply 11

Angelo12231

Original post by AstroNandos

I thought grade boundaries will be 48/9 for an A, seemed easier than most past papers

Potentially easier but different. People tend to revise stuff based on previous papers more, so I think a few people will skew that boundary down

Reply 12

Noodle-Chan

Original post by Angelo12231

Seriously? At my sixth form it's the complete opposite for the majority but some found it alright. xD

Reply 13

Angelo12231

Original post by dash52

it was nh3 not nh4, i wrote permanent dipole instead of hydrogen... right guys?

Hmm nitrogen and hydrogen... seems pretty hydrogen-bondy to me

Reply 14

dash52

Original post by Angelo12231

Hmm nitrogen and hydrogen... seems pretty hydrogen-bondy to me

yh i got it wrong then, but just to double check it was nh3 not nh4

Reply 15

Angelo12231

Original post by Noodle-Chan

Seriously? At my sixth form it's the complete opposite for the majority but some found it alright. xD

LOL yeah but you do get those few that completely flopped too

Reply 16

AstroNandos

Original post by Angelo12231

Potentially easier but different. People tend to revise stuff based on previous papers more, so I think a few people will skew that boundary down

Yeah it was different. I found it was different with OCR Physics too

Reply 17

optimistsan23

Original post by lukejoshjames

Same, but as long as you talked about van der waals' for the other molecules, you should get 3-4 marks for the question.

wait it asked about ammonia,,, which is nh3, soo it was hydrogen bonding

Reply 18

Angelo12231

Original post by AstroNandos

Yeah it was different. I found it was different with OCR Physics too

Likewise

I did all the OCR sciences and they were all noticeably different than past papers haha I think OCR want to catch people out this year - may have worked - may not have worked; can't really tell