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Yeah, its usually better to say heating but as long as you mentioned sulfuric acid you should be all g, I dont think they have a wide opportunity to penalise

Looking at previous year info from rawmarks.info, b5 was usually 60-63 I’d say since new syllabus, maybe around 60-61

Do you reckon I’d lose marks for saying NaOH..? Damn it, shouldve gone with water, had way more conditions!

I cannot believe I messed up the values for the AAS stormwater thingo though, uuuggggh Idk what I did wrong, it cant be the calibration curve cos i remember everything fitting well, but I got like 1.26 for Cu and 1.9 for Pb. Maybe interpolated on the wrong line for Cu but idk. How many marks do...

I had the same issue lol, luckily i remembered just in time to mention by products. Also for the formation of alcohol from the halogen did you say nucleophillic substitution with NaOH or gently heating solution with water? Either way, both are right, just curious

I think you had to compare them. I said, initially both absorbances and hence conc. were higher than the limit, and after although it reduced the conc. it was not AS effective as it should have been. That’s the evaluation I made, since it was a “to what extent” question.

I don’t think you have to go that in depth to talk about the fruity smell, my school and my textbooks don’t even mention that, so I think you‘re advantaged by going into more detail. Rip, my chem teacher taught us barely anything for mod 8, had to self teach myself pree much everything

Yep

I’d say like roughly 65% of it was maths but tbh i remember nothing rn, my mind is blank

I included that in my definition of “steps“ but yeah. Those are sorta basic, sodium + pop test for alcohol, sodium carb for acid and fruity smell for ester

Yep. Dw as long as you described the steps you’ll probs get a 6/7

There was no ethanal, it oxidised into ethanoic axid

Luckily 1 of them was maths, the other just basic analysis (shallow theory, mainly application)

Yeah lol

Na probably 4 marks for naming all the compounds and 3 for justifying each step and its reagents and conditions

Damn, regardless you should be very proud of yourself accelerating a new syllabus, gj!

So hbu?

Ehhh, maybe??? watch me get a band 4 lol

I knew how to answer all of them, I think silly mistakes hopefully not more than 5. I think I have a chance to lose another 4 marks, say, for the rest maybe because the markers may mark extra harsh.

I’m hoping for a 90+ but we’ll see. Idek what to expect tbh