AQA A-level Chemistry, Paper 2 June 2017, part 2 (q7-11) walkthrough

AQA A-level chemistry, paper 2 June 2017. Second part, questions 7-11.

[sabah]

For question 10.2 You used the wrong volume it should be 105000 × (180 × 10-6) not 155. That's probably why your final answer is incorrect also as it should be 145mg as per the mark scheme.

[ayesha-syos]

for 10.4, why would we not have a singlet for S as Ch2 is bonded to CdoublebondO

[Leon-cokx]

hey man in question 10.2 in the combustion equation u wrote 8.5 in front of O2 it should be 7.5

[zahraamin]

Thank you honestly!! makes sm more sense

[ench]

I think 10.6 is drawn wrong shouldnt there be 6 carbons