ArtmisKco
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Hi, I have this question where it says what happens when this organic compound reacts with excess Aqueous sodium carbonate but I’m not sure. If someone can help me out that would be great!
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ArtmisKco
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ArtmisKco
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Hoop!
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vyper47
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The COOH on the right and the phenol OH on the top left react. Some carbon dioxide bubbles will be seen
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Pigster
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(Original post by ArtmisKco)
Hi, I have this question where it says what happens when this organic compound reacts with excess Aqueous sodium carbonate but I’m not sure. If someone can help me out that would be great!
Identify the functional groups, work out whether they react with a metal carbonate and then what would form.
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ArtmisKco
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Yeh that’s the thing. I don’t know. I know that phenols don’t react with weak based but the carboxylic acid does which makes ONa. It’s the COOH (no double bonds) that I have no clue on
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Pigster
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(Original post by ArtmisKco)
Yeh that’s the thing. I don’t know. I know that phenols don’t react with weak based but the carboxylic acid does which makes ONa. It’s the COOH (no double bonds) that I have no clue on
Assuming you mean the OH in the top right corner (assuming your diagram were the right way up), what is the name of that functional group?

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ArtmisKco
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(Original post by Pigster)
Assuming you mean the OH in the top right corner (assuming your diagram were the right way up), what is the name of that functional group?

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Well I know it’s an alcohol but I’m not sure whether it does react with sodium carbonate or not
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Pigster
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(Original post by ArtmisKco)
Well I know it’s an alcohol but I’m not sure whether it does react with sodium carbonate or not
Alcohols don't react with acid or alkali.
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vyper47
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(Original post by Pigster)
Alcohols don't react with acid or alkali.
Isn't the phenolic -OH on the top left a bit more acidic than usual? Does that react? (I'm sure that the one in the isopropyl chain bottom left doesn't react, the top one seems plausible)
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ArtmisKco
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(Original post by Pigster)
Alcohols don't react with acid or alkali.
I asked my teacher today and he said it does, that’s why I’m really confused because I also thought it doesn’t?
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(Original post by ArtmisKco)
I asked my teacher today and he said it does, that’s why I’m really confused because I also thought it doesn’t?
Na2CO3 will happily react with the carboxylic acid group. Phenols are acidic, but will not react with Na2CO3 - it is not a strong enough base. Alcohols definitely don't react with weak alkalis.
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vyper47
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(Original post by Pigster)
Na2CO3 will happily react with the carboxylic acid group. Phenols are acidic, but will not react with Na2CO3 - it is not a strong enough base. Alcohols definitely don't react with weak alkalis.
Aha! Thanks!
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