Question

give the IUPAC name of :

CH3CH2CH2CH(OH)CH3​

Answer 1

Answer:

pentan-2-ol

Explanation:

Assuming that “oh” is of, and not part of the molecule in some way. Start by counting the number of carbon atoms in the chain. I count five. That way the molecule is a “pent” something or other. Looking for a functional group in the molecule, there is an -OH group. That makes it an alcohol.

The alcohol group is sat on either the fourth or the second carbon depending upon which way you start counting. Always pick the lower number. Hence the name of the molecule is pentan-2-ol.

Answer 2

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