For each of the following compounds determine the molecular geometry (shape) using VSEPR theory and identify the hybridization of the central atom, respectively. a. CO2F^-
b. S2Cl2(CISSCI)

has a flat geometry, with carbon as the central atom. On the other hand, has a folded geometry, with two sulfur atoms as the central atoms.

We can arrive at this answer because:

In this case, when we observe the position of the atoms and the geometry of the molecules of and we can see that they are flat and folded as shown in the figure below.

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Explanation:

Usually, the central atom in a molecule is often the atom having the least electronegativity in the compound.

In CO2F^-, the central atom is carbon. The structure is related to the structure of CO2. In CO2F^-, carbon is sp hybridized. The molecule is linear.

In S2Cl2, sulphur is the central atom. There are two central sulphur atoms each connected to one chlorine atom. The sulphur atoms are sp3 hybridized with two lone pairs on each sulphur atom. The molecular geometry is bent.