Question

How many isomeric hydroxy carboxylic acids are pe
nydroxy carboxylic acids are possible with M.F. C4H803​

Answer 1

There are 5 isomeric hydroxy carboxylic acids which can be formed using the given formula, C₄H₈O₃. They are as follows:

1. 2-Hydroxybutanoic acid
2. 3-Hydroxybutanoic acid
3. 4-Hydroxybutanoic acid
4. 3-Hydroxy-2-methylpropanoic acid
5. 2-Hydroxy-2-Methylpropanoic acid

All of the above are saturated carboxylic acids. No unsaturated hydroxy carboxylic acid can be formed with the given formula.