A student claims that if element D is in group 18, then the molecular geometry of DF4(g) is square planar. Do you agree or disagree with the student? Justify your answer in terms of VSEPR theory.

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Chapter1: Chemical Foundations
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(c) A student claims that if element D is in group 18, then the molecular geometry of DF4(g) is square planar. Do you agree or disagree with the student? Justify your answer in terms of VSEPR theory.
Transcribed Image Text:(c) A student claims that if element D is in group 18, then the molecular geometry of DF4(g) is square planar. Do you agree or disagree with the student? Justify your answer in terms of VSEPR theory.
An unknown gas, D, reacts with fluorine gas to form the compound DF4(g), as represented by the following equation.
D(g) + 2 F2(9) → DF4(9)
A series of experimental trials were performed at 600°C to determine the rate law expression for the reaction. Data from the trials are shown below.
Initial Pp
Initial PF2
Initial Rate of Appearance of DF,(9)
(torr)
(torr)
(torr/min)
Trial 1
1500
1500
5.00 x 10–3
Trial 2
3000
1500
10.0 x 10-3
Trial 3
1500
3000
20.0 x 10–3
Transcribed Image Text:An unknown gas, D, reacts with fluorine gas to form the compound DF4(g), as represented by the following equation. D(g) + 2 F2(9) → DF4(9) A series of experimental trials were performed at 600°C to determine the rate law expression for the reaction. Data from the trials are shown below. Initial Pp Initial PF2 Initial Rate of Appearance of DF,(9) (torr) (torr) (torr/min) Trial 1 1500 1500 5.00 x 10–3 Trial 2 3000 1500 10.0 x 10-3 Trial 3 1500 3000 20.0 x 10–3
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