RossRFC
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Report Thread starter 6 years ago
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How can you identify an ester, a carboxylic acid and an alcohol?

Thanks in advance
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greenladybird
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(Original post by RossRFC)
How can you identify an ester, a carboxylic acid and an alcohol?

Thanks in advance
Alcohols contain an OH group.
Carboxylic acid contains a COOH group.
Ester contains a COO group(this will always near the middle of the molecule)
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RossRFC
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(Original post by greenladybird)
Alcohols contain an OH group.
Carboxylic acid contains a COOH group.
Ester contains a COO group(this will always near the middle of the molecule)
Noo I mean like if they were all in one beaker how would you know which is which and what would you do
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Michael98
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An ester and carboxylic acid both contain C=O so would decolourise bromine solution whereas an alcohol wouldn't!
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ffiorentini
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Also, alcohols are flammable, carboxylic acids turn pH indicator red/orange and esters have a (usually nice) smell
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RossRFC
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(Original post by ffiorentini)
Also, alcohols are flammable, carboxylic acids turn pH indicator red/orange and esters have a (usually nice) smell
Thanks haha, this was in my prelim today and didn't know what to put if only I had an answer last night
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