Chemistry: Post your doubts here!

[strangerss]

This is nicely explain in this link http://www.chemguide.co.uk/basicorg/isomerism/optical.html
View attachment 21734

I cannot thank you enough , but I'm sure GOD will reward you with his generosity for helping others , that was extremely useful and helpful. GOD bless you , thank you so much
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[Student12]

When CH3-CH2-CH3 + Cl react how many free radicals are produced and why? And the ratio!?

 

[Amy Bloom]

PhyZac
June12/41/2

Nov 2011/41/3

 

[hela]

[would you plaese send me a compiled question for application chemistry A LEVEL

 

[hela]

QUESTION ON NMR PLAESE FOR CIE SYLLABUS

 

[PhyZac]

QUESTION ON NMR PLAESE FOR CIE SYLLABUS

You want one question or a compilation?

 

[hela]

BETTER A COMPILATION

 

[PhyZac]

BETTER A COMPILATION

Do you have papers??

I dont have a compilation but here is a question...when i find more i will send

 

[hela]

THIS IS ABOUT MASS SPECTRO AND NOT NMR THANKS I WILL SOVE IT

 

[PhyZac]

THIS IS ABOUT MASS SPECTRO AND NOT NMR THANKS I WILL SOVE IT

Oh my mistake.
Anyway. See if you dont have the papers the are here http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/ you go to recent years and check in paper 4, section B. You would find questions.
here is 1 more question.

 

[hela]

THIS IS FROM P42 SUMMER 2012 I HAVE SOLVED

[i HAVE SOLVED ALL P4 BUT WANT A COMPILLED QUESTION WITH ANSWER FOR THE ANALYTIC CHEMISTRY PART B

 

[PhyZac]

THIS IS FROM P42 SUMMER 2012 I HAVE SOLVED

[i HAVE SOLVED ALL P4 BUT WANT A COMPILLED QUESTION WITH ANSWER FOR THE ANALYTIC CHEMISTRY PART B

okay, sorry i dont have tht!

 

[hela]

can you help me solve c ii how to equilibrate the reaction using electrode potential thanks

 

[hela]

[can you help me in question 2 c ii using the electrode potential

 

[hela]

how to solve 2 c ii equilibration equation using electrode potential

 

[Manobilly]

Hey ppl! I need help in AS chemistry!Can anyone provide me with organic diagrams !Like you know how some questions are in pastpapers the table ones connecting.If you cn provide any reference for that?

 

[Manobilly]

Hey ppl! I need help in AS chemistry!Can anyone provide me with organic diagrams !Like you know how some questions are in pastpapers the table ones connecting.If you cn provide any reference for that?​

 

[PhyZac]

Hey ppl! I need help in AS chemistry!Can anyone provide me with organic diagrams !Like you know how some questions are in pastpapers the table ones connecting.If you cn provide any reference for that?

http://www.thestudentroom.co.uk/attachment.php?attachmentid=95974&d=1295962248
http://www.thestudentroom.co.uk/attachment.php?attachmentid=95975&d=1295962248

 

[Nab900]

salam
can anyone please explain q1(c) partts (i) and (ii) from May June 2012 paper 42

http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_s12_qp_42.pdf

 

[Ahmedraza73]

I Need AS LEVEL CHEMISTRY DEFINATIONS?
If someone have, so please post it here: