Qualification > Sciences
ALL CIE CHEMISTRY DOUBTS HERE !!
TJ-56:
--- Quote from: AN10 on May 24, 2011, 09:12:22 pm ---Mj 10 41 Q9 c iii, For propanoic acid can we write COOH proton instead of OH proton. Please help I am confused. :-\
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I'm not sure, it is the 'OH' that is responsible for the peak, so..
I think it's the same, but you never know with CIE, so I think its better to be safe than sorry.
Gd luck.
leebux101:
--- Quote from: TJ-56 on May 24, 2011, 07:55:06 pm ---Lol, I know! I think this exam is the least exam I have prepared for, in like, well since starting the IGCSE's. That's not the problem, it's that I HAVE prepared, ALOT! But suddenly now everything Chemistry related text I read, It's like pure gibberish.
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i know right!! .. tell me about it! anyway God help us tomorow.. Inshallah.
iluvme:
November 2007 Paper1 Q 5, 9, 21 and 32.
Please help!
EMO123:
--- Quote from: iluvme on May 25, 2011, 10:26:08 am ---November 2007 Paper1 Q 5, 9, 21 and 32.
Please help!
--- End quote ---
5) answer is A
There is always a hydrogen bonding between to OH groups
so A
EMO123:
--- Quote from: iluvme on May 25, 2011, 10:26:08 am ---November 2007 Paper1 Q 5, 9, 21 and 32.
Please help!
--- End quote ---
in 32 i understand the 2and three but i dont understand 1
so no answer for that i can give
anyone help us
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