The IUPAC name of HO-CH2-CH2-COOH is:

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The IUPAC name of $HO - CH X_{2} - CH X_{2} - COOH$ is:

A1-hydroxypropan-3-oic acid
B2-hydroxypropanoic acid
C3-hydroxypropanoic acid
D3-carboxypropan-1-ol

Answer: C

The carboxylic acid is senior to the alcohol, so it is the suffix and its carbon is C-1. Counting along the chain, the OH-bearing carbon is C-3. The name is 3-hydroxypropanoic acid.

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The IUPAC name of HO−CHX2​−CHX2​−COOH is:

Answer: C

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The IUPAC name of $HO - CH X_{2} - CH X_{2} - COOH$ is: