The compound oxygen difluoride is quite reactive, giving oxygen and HF when treated with water: OF₂(g) + H₂O(g) + O₂(g) + 2HF(g) AEºrxn = -318 kJ Using bond energies, calculate the bond dissociation energy of the O-F bond in OF2. Average Bond Energies (kJ/mol) Single Bonds H-H H-F H-CI 427 H-Br 363 H-1 295 432 565 C-H C-C C-N C-0 358 485 339 276 240 259 C-F C-CI C-Br C-1 C-S 413 347 305 *C=O(in CO₂) = 799 N-H N-N N-F N-CI N-Br N-O O-H 0-0 O-F O-CI 0-1 F-F F-CI F-Br CI-CI Cl-Br Br-Br O-F bond dissociation energy = 391 160 272 200 243 201 467 146 190 203 234 154 253 237 239 218 193 kJ/mol H I-cl 1-Br S-H S-F S-CI S-Br S-S Si-Si Si-H Si-C Si-O 149 208 175 347 327 253 218 266 340 393 360 452 Multiple Bonds C=C C=C 0 0 C=0* C=O N=O N=N N=N C=N CIN 614 839 495 745 1072 607 418 941 891 615
The compound oxygen difluoride is quite reactive, giving oxygen and HF when treated with water: OF₂(g) + H₂O(g) + O₂(g) + 2HF(g) AEºrxn = -318 kJ Using bond energies, calculate the bond dissociation energy of the O-F bond in OF2. Average Bond Energies (kJ/mol) Single Bonds H-H H-F H-CI 427 H-Br 363 H-1 295 432 565 C-H C-C C-N C-0 358 485 339 276 240 259 C-F C-CI C-Br C-1 C-S 413 347 305 *C=O(in CO₂) = 799 N-H N-N N-F N-CI N-Br N-O O-H 0-0 O-F O-CI 0-1 F-F F-CI F-Br CI-CI Cl-Br Br-Br O-F bond dissociation energy = 391 160 272 200 243 201 467 146 190 203 234 154 253 237 239 218 193 kJ/mol H I-cl 1-Br S-H S-F S-CI S-Br S-S Si-Si Si-H Si-C Si-O 149 208 175 347 327 253 218 266 340 393 360 452 Multiple Bonds C=C C=C 0 0 C=0* C=O N=O N=N N=N C=N CIN 614 839 495 745 1072 607 418 941 891 615
Chemistry & Chemical Reactivity
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Chapter8: Bonding And Molecular Structure
Section: Chapter Questions
Problem 72GQ: Dinitrogen monoxide, N2O, can decompose to nitrogen and oxygen gas: 2 N2O(g) 2 N2(g) + O2(g) Use...
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Question
Transcribed Image Text:The compound oxygen difluoride is quite reactive, giving oxygen and HF when treated with water:
OF₂(g) + H₂O(g) → O₂(g) + 2HF(g)
AEºrxn = -318 kJ
Using bond energies, calculate the bond dissociation energy of the O-F bond in OF2.
Average Bond Energies (kJ/mol)
Single Bonds
H-H
H-F
H-CI
H-Br
H-I
C-H
C-C
C-N
C-0
C-F
C-CI
C-Br
C-1
C-S
432
565
427
363
295
413
347
305
358
Submit Answer
485
339
276
240
259
*C=O(in CO₂) = 799
N-H
391
N-N
160
N-F
272
N-CI
200
N-Br 243
N-O
201
O-H
467
146
190
203
234
0-0
O-F
O-CI
0-1
F-F
F-CI
F-Br
CI-CI
Cl-Br
Br-Br
O-F bond dissociation energy =
154
253
237
239
218
193
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kJ/mol
H
I-CI
1-Br
S-H
S-F
S-CI
S-Br
S-S
Si-Si
Si-H
Si-C
Si-O
149
208
175
347
327
253
218
266
340
393
360
452
item attempt remaining
Multiple Bonds
C=C
C=C
0 0
C=0*
C=0
N=O
N=N
N=N
C=N
CIN
614
839
495
745
1072
607
418
941
891
615
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