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Chemistry AQA Unit 4 Discussion (CHM4)

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Kinkerz

RCOOH would be acid...

If you write OH you have to write alcohol, or you'll get it wrong.

JeNeSaisQuoi

I wrote "most stable carbocation".
lols that paper was a joke.

i 2nd that an absolute joke!

has anybody got the paper and the ms please

Waterstorm

If you write OH you have to write alcohol, or you'll get it wrong.

Not if you write RCOOH though. That's the generic term for a carboxylic acid.

Kinkerz

Not if you write RCOOH though. That's the generic term for a carboxylic acid.

COOH isn't on the table, only OH is. Anyway, he wrote ROH not RCOOH.. so I was saying he had to write alcohol. If the answer was acid, then I wouldn't write RCOOH, I'd write OH/ROH acid, and that's what is in the mark scheme :/

Unless you were taught in school, or read in a book or whatever, about writing RCOOH for acid.. it would be pretty retarded to do that in an exam when it asks you to use the table, and it clearly shows it as OH with acid or alcohol.

Actually, if you wrote RCOOH you will get it wrong, because you can't see that as a peak on the infra red spec, and specially at the point they asked in the question.

AmitYiddo

I wrote... R-OH.... would that get me the mark? lol

R-OH will be fine

Anyone know when we get the marks back?

12/03/09

cheers ears! I assume that is for all exams, or most of them anyway?

paper anyone?

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