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Edexcel IAL unit 2 Chemistry 3/6/2014

How was the paper? This is regarding IAL Chemistry unit 2 please :wink:

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Reply 1
Can someone please tell me the molecular formula for that compound in Section C??? I got C20 H30 O
Reply 2
Original post by samakawg
Can someone please tell me the molecular formula for that compound in Section C??? I got C20 H30 O


thats what i got too(:
Reply 3
i found it a bit hard /:
Reply 4
Original post by samakawg
Can someone please tell me the molecular formula for that compound in Section C??? I got C20 H30 O


I go that too :smile:

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yes, c20h30o is the correct molecular formula for retinol
Reply 6
Original post by sayyesorno
yes, c20h30o is the correct molecular formula for retinol

i got c19h31oh :frown:
Original post by sayyesorno
yes, c20h30o is the correct molecular formula for retinol

same answer,,, what did u get the very first multiple choice that was talking about how temperature affect the colour change
Reply 8
Very pleased with this paper
oh i gt C20H24O :frown:
what did u get the very first multiple choice that was talking about how temperature affect the colour change
Original post by LianneAmeer
what did u get the very first multiple choice that was talking about how temperature affect the colour change


Put goes lighter
and i never gt wt i shld do wth d asterick on d O atom on BRO3-.. was it an electron?? :O
Reply 13
Original post by LianneAmeer
what did u get the very first multiple choice that was talking about how temperature affect the colour change
i wrote it becomes lighter
And 1b) ? The compression thingy
Original post by sheni96
thats what i got too(:

got that too
Original post by Navo D.
Very pleased with this paper




what did you have to do with the covalent bonding drawing thing..
and why it can accommodate 12 electrons
Reply 17
Original post by Husain J.
And 1b) ? The compression thingy

there was no visible change because i think the moles of gases on both sides were same hence pressure does not affect the equilibrium
what did u get for the volume of KI which is the last calculation question
Reply 19
Original post by LianneAmeer
what did u get the very first multiple choice that was talking about how temperature affect the colour change





I wrote there is no visible change. Cause it said that the equilibrium mixture was already colourless, so it can get any lighter so there is no visible change lol. I think.

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