Chem ppr 33 salt help?

[acefarren]

anyone know what salt mayb coming out for 33??
and filza 94
your info guaranteed to be correct??

 

[filza94]

i dont abt salts bt yeah m confirm my teacher told mee........

 

[junaidaftab]

Filza94, we have to titrate ammonium nitrate with KMn04 or sodium thiosulphate?

 

[filza94]

KMno4.....

 

[junaidaftab]

And we won't be provided with sodium thiosluphate or potassium iodide?

 

[filza94]

i dont know ......n for practicals learn frm here http://www.scribd.com/doc/6468212/Teach ... cal-Skills

 

[filza94]

Anyone please explain it in a simple, understandable way. Thanks.

 

[filza94]

hey guyz recent info i got for u ppl for chemistry ppr 33

my class fellow get information that FA1 is ammonium iron salt for heating, Q2 is reaction KMnO4 with KI in the presence of H2SO4, then titration with Na2S2O3...and Q3 contain Ammonium Bromide and zincsulfate salts.....

 

[leeadam1234]

Anyone please explain it in a simple, understandable way. Thanks.

do u have the answer ?

 

[hassam]

final...authentic detail......for q1..do o/n 09p 33....

 

[filza94]

no gimme answersssssss

 

[Anonymousx3]

Does anyone have the solutions for question 1 November 09 paper 33 and 34?
I'd be grateful if you could upload them or PM me.

 

[hassam]

in titration..if i am not wrong.....titration is with ammonium iron sulfate also........isnt it....and the one u r telling is for 34

 

[msk]

Does anyone have the solutions for question 1 November 09 paper 33 and 34?
I'd be grateful if you could upload them or PM me.

yeha i have done both of them! its kinda untidy stuff so i won,t post it here ask me which questions answers u want?

 

[Anonymousx3]

1 b, c, d and f. Please and thank you!

 

[acefarren]

@filza94
I think the only method is to measure mass before heating, then measure mass after heating, make sure you reheat,recool and reweigh to obtain constant mass to ensure all H2O has been removed

 

[filza94]

hmm so how wil we do it do u know plzz telmee (d) part

 

[acefarren]

which part (d)??

 

[filza94]

O/N 2009 33 Q.1 (d)

 

[acefarren]

just use no of mole of water divided by your no of mole of iron sulphate