Edexcel Chem 4 Jan 12 mark scheme typos?
Chemistry exam discussion - share revision tips in preparation for GCSE, A Level and other chemistry exams and discuss how they went afterwards.
| Announcements | Posted on | |
|---|---|---|
| Important: please read these guidelines before posting about exams on The Student Room | 28-04-2013 | |
-
Edexcel Chem 4 Jan 12 mark scheme typos?
It's been a while since you posted and nobody's replied yet...maybe you should check out MarkedbyTeachers.com, TSR's sister site. It has the largest library of essays in the UK.
They've got over 181,000+ coursework, essays, homeworks etc.. all written by GCSE, A Level, University and IB students across all topics. You get access either by publishing some of your own work, or paying £4.99 for a month's access. Both ways give you unlimited access to all of the essays.
All their documents are submitted to Turnitin anti-plagiarism software, so it can't be misused, and the site's used by hundreds of thousands of UK teachers and students.
What's more, you can take a look around the site and preview the work absolutely free. Click here to find out more... -
Re: Edexcel Chem 4 Jan 12 mark scheme typos?For question 2 you have to divide the conc of 2HI by 2 to make it HI, you then get 0.0015, you have to take this number away from the initial conc of H2 and I2 0.010, which gives you their conc at equilibrium 0.0085. The answer is therefore D(Original post by Next Level)
hey guys, for q.2 I got A and for q.9 I got B, however the mark scheme says the answer to q.2 is D and that for q.9 is A, have they made typos or am I missing something? thanks
For question 9 you have to put priority on the heavies groups so therefore it must be CH3 and Br which shows that it is a Z isomer. The answer is therefore ALast edited by majij; 12-06-2012 at 15:59. Reason: corrections