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Author Topic:   Chemical compound names
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Message 2 of 9 (190049)
03-04-2005 12:34 PM
Reply to: Message 1 by Asgara
03-04-2005 12:11 PM

How do you decide how to write out a chemical compound name? In a project a coworker is doing it is written out H2O and in another section it is written OH2. Is there a particular order to what chemical comes first? Is it by group?

I have never seen water written out as OH2. In organic chemistry (and in The Merck Index) the order is always C, H, O. For example, glucose is C6H12O6. My only guess is that there were two alcohol groups which were listed as (OH)2 which would describe a protonated carboxy group (IIRC, organic was so long ago).

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Inactive Member

Message 4 of 9 (190067)
03-04-2005 2:10 PM
Reply to: Message 3 by JustinC
03-04-2005 2:05 PM

I think for the empirical formula H is before O, but if it's written structurally I think it can be oriented any way the author wants if it illustrates a mechanism better.

I think that hits the nail on the head. You are given much more lee way when relating structural relationships.

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