Number of structural isomers possible in C3H6O ???

1 Answer
Ernest Z.
Jun 12, 2018

I count nine structural isomers.

Explanation:

A saturated compound would have the formula #"C"_3"H"_8"O"#.

This compound is missing two #"H"# atoms, so it must have a double bond or a ring.

A. Alkenes with an #"OH"# group

1. Prop-1-en-1-ol

Prop-1-en-1-ol

2. Prop-1-en-2-ol

Prop-1-en-2-ol

3. Prop-2-en-1-ol

Prop-2-en-1-ol

B. Alkenes with an ether group

4. Methoxyethene

Methoxyethene

C. Carbonyl compounds

5. Propanal

Propanal

6. Propanone

Propanone

D. Cyclic alcohols

7. Cyclopropanol

Cyclopropanol

E. Cyclic ethers

8. Oxetane

Oxetane

9. Methyloxirane

Methyloxirane

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