What is the hybridization of each carbon in the molecule of ethanol.

CH3 = sp3
CH2OH = sp3

I think that the carbons are all sp3 because there are only single bonds in this molecule.

Is this correct?

yes

Yes, that is correct. Each carbon in the molecule of ethanol is sp3 hybridized. This means that each carbon is surrounded by four electron groups, which includes three sigma bonds (single bonds) and one lone pair. The presence of only single bonds in the molecule indicates sp3 hybridization.

Yes, you are correct. The hybridization of each carbon in ethanol is sp3.

To determine the hybridization of a carbon atom, you need to consider the number of sigma bonds (single bonds) and lone pairs of electrons surrounding it.

In the case of ethanol (CH3CH2OH), each carbon atom is covalently bonded to four other atoms: three hydrogen atoms and one carbon or oxygen atom. Additionally, there are no lone pairs of electrons on the carbon atoms.

Since each carbon atom is bonded to four other atoms and has no lone pairs, the electron geometry around each carbon is tetrahedral. In a tetrahedral arrangement, the carbon atom must undergo sp3 hybridization. This means that each carbon atom in ethanol employs four atomic orbitals to form four sp3 hybrid orbitals, which are then used to form the four sigma bonds with other atoms.

Hence, the hybridization of each carbon atom in ethanol is sp3.