The IUPAC name of O2N-CH2-CH2-OH is:

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The IUPAC name of $O X_{2} N - CH X_{2} - CH X_{2} - OH$ is:

A2-hydroxy-1-nitroethane
B2-nitroethan-1-ol
C2-nitroethanal
D1-nitroethan-2-ol

Answer: B

The nitro group is never a suffix, only the prefix nitro. The alcohol is the principal group and gets C-1. The nitro group is then on C-2, giving 2-nitroethan-1-ol.

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The IUPAC name of OX2​N−CHX2​−CHX2​−OH is:

Answer: B

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The IUPAC name of $O X_{2} N - CH X_{2} - CH X_{2} - OH$ is: