The expected o-c-h angle in this molecule is degrees. the expected hybridization at the central carbon is

Each neutral carbon atom contains four valence electrons and may form up to four electron domains. Possible hybridizations include

Molecules of each of the three hybridization demonstrate spatial configurations that would maximizes the separation between the electron domains.

Bond angles are characteristic of the spatial configuration of electron domains and identifies the hybridization of the central carbon atom.

Note that each hydrogen atom contains only one valence electron and would form only single bonds. It takes two valence electrons for oxygen atoms to achieve an octet such that each oxygen form only two bonds at a single time. Therefore given the fact that the carbon is bonded to both hydrogen and oxygen, only the following hybridizations are possible

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