# What are the seven isomers of C4H10O?

##### 1 Answer

See below.

#### Explanation:

We know from the formula that these isomers contain no rings or double bonds.

The isomers must be alcohols and ethers.

Let's start by drawing the alcohols.

Start with four carbons in a row and put an

This gives us

**1.**

and

**2.**

Now use a 3-carbon chain with a

This gives

and

Now for the ethers.

Let's start with five atoms in a row.

This gives

and

Finally, the only choice for a branched-chain ether is

And there are your seven isomers of