Number of carboxylic acids and esters isomers for C4H8O2

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Discussion Overview

The discussion revolves around identifying the total number of isomeric carboxylic acids and esters with the molecular formula C4H8O2. It includes a homework problem where participants share their findings and reasoning regarding the isomers.

Discussion Character

  • Homework-related

Main Points Raised

  • One participant initially claims to have identified four isomers: 2-methyl propanoic acid, butanoic acid, methyl propanoate, and ethyl ethanoate.
  • Another participant suggests considering esters based on formic acid.
  • A later reply acknowledges missing propyl methanoate as an isomer.
  • Another participant notes there are two isomers based on formic acid.
  • One participant realizes they forgot isopropyl acetate, leading them to conclude that the total is six isomers.

Areas of Agreement / Disagreement

Participants express differing counts of isomers, with some suggesting a total of four, while others propose six. The discussion remains unresolved regarding the exact total number of isomers.

Contextual Notes

Participants' claims depend on their interpretations of isomer definitions and may not account for all possible structural variations.

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Homework Statement



What is the total number of isomeric carboxylic acids and esters having the molecular formula C4H8O2?

A.6

B.5

C.4

D.3

E.2

Homework Equations

The Attempt at a Solution


My answer was 4. The isomers I got was:

-2-methyl propanoic acid
-butanoic acid
-methyl propanoate
-ethyl ethanoate

Did I miss any?

Cheers!
 
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What about esters based on formic acid?
 
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I see, I missed propyl methanoate. Cheers!
 
There are two isomers based on formic acid.
 
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I see, I forgot isopropyl acetate. So the answer is A. Cheers!
 

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