Qualification > Sciences
Chemistry p1(NIGHTMARE) Coming
s16:
November 2007 paper 1 q9 .. HOW DO YOU DO IT ??? :-[
s16:
Plz any1 ?
khi2ruh:
--- Quote from: s16 on June 10, 2009, 02:08:37 am ---Plz any1 ?
--- End quote ---
im not sure if u do it this way but it worked for me
if u luk at the half equation SO32- becomes SO42-, this means it is getting oxidised by one oxygen atom hence the metal ion would get reduced to the same degree and a decrease in oxidation number would occur and +3-1=+2
kimlasmay:
Hey guys I just sat for the paper...
There were a lot organic Qs...More than 20...Inorganic also...Study about solubility...About halogens...Function of Bromide...Study about Astatine...Read a lot of past year Questions...Cis-trans stuff...
What reacts with sodium,NaHCO3...
REaction of ammonium ions...Thermal stability of H and halogens bonds...
Bond angles of organic cmpds...
Enthalphy change....
chiral centre...
FOCUS ON UR ORGANICS...
aiyo12345:
wait
how do we know he/she/it is telling the truth?
it could be that ihateteachers motherf**cker again >:(
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