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Topic: When benzene consists of CH3 and COOH why we named it tolualdehyde?  (Read 981 times)

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Offline Fish200398

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When benzene consists of CH3 and COOH why we named it tolualdehyde?
« on: February 18, 2020, 01:23:23 PM »
When benzene consists of CH3 and COOH why we named it tolualdehyde (making of terepthalic acid)?The aldehyde supposed to be more priority than R alkyl, so the name is methyl benzaldehyde
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Offline chenbeier

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Re: When benzene consists of CH3 and COOH why we named it tolualdehyde?
« Reply #1 on: February 18, 2020, 01:52:41 PM »
-COOH is not aldehyde. It is a carbonic acid. Aldehyde is -CHO.
It would be  p- Methyl benzoeic acid or p-Toluencarbonic acid.

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Offline AWK

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Re: When benzene consists of CH3 and COOH why we named it tolualdehyde?
« Reply #2 on: February 18, 2020, 02:03:22 PM »
4-Methylbenzaldehyde is an IUPAC name. Other names are commonly used synonyms.
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Offline MNIO

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Re: When benzene consists of CH3 and COOH why we named it tolualdehyde?
« Reply #3 on: February 18, 2020, 06:24:25 PM »
which of these do you have trouble with?
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