Question

what is the IUPAC name of CH3-CHOH-CH3 and CH3-CH2-COOH​

Answer 1

A is propan-2-ol

B is propanoic acid.

Answer 2

Concept Introduction: IUPAC naming is a way to name Organic Compounds.

Explanation:

We Have been Given: The formula of these compounds:

1. CH3-CHOH-CH3
2. CH3-CH2-COOH

We have to Find: The IUPAC Names of these compounds.

According to the question, to name an Organic Compound, give the Carbon with a special group the lowest number possible and then subsequently give the other carbon numbers respectively. So in that case, in part 1 of the question, the Carbon having special group is CHOH , therefore give that carbon the lowest no. possible. Since it lies in the centre of the Compound having only 3 carbon atoms, the lowest possible number that can be given is 2. Now accordingly give the numbers 1 and 3 to any of the other two carbons depending on from which side you start numbering. So accordingly, the name of Compound No. 1 will be Propan-2-ol .

Doing the same with Compound no. 2, the name of Compound No. 2 will be Propanoic Acid.

Final Answer: The Names of the Compounds are:

1. Propan-2-ol
2. Propanoic Acid

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