Sulfur tetrafluoride (SF4) reacts slowly with O2 to form
Chapter 5, Problem 110IE(choose chapter or problem)
Sulfur tetrafluoride (SF4) reacts slowly with O2 to form sulfur tetrafluoride monoxide (OSF4) according to the following unbalanced reaction:
SF(g) + O2(g) → OSF4(g)
The O atom and the four F atoms in OSF4 are bonded to a central S atom.
(a) Balance the equation.
(b) Write a Lewis structure of OSF4 in which the formal charges of all atoms are zero.
(c) Use average bond enthalpies (Table 8.4) to estimate the enthalpy of the reaction. Is it endothermic or exothermic?
(d) Determine the electron-domain geometry of OSF4, and write two possible molecular geometries for the molecule based on this electron-domain geometry.
(e) Which of the molecular geometries in part (d) is more likely to be observed for the molecule? Explain.
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