Question

calculate the bond energy for \c\ in kj.

average bond enthalpies (kj/mol)
c—h 413
c—c 348
c—n 293
c—o 358
c—f 485
c—cl 328
c—br 276
c—i 240
c—s 259
si—h 323
si—si 226
si—c 301
si—o 368
n—h 391
n—n 163
n—o 201
n—f 272
n—cl 200
n—br 243
n—o 201
h—h 436
h—f 567
h—cl 431
h—br 366
h—i 299
o—h 463
o—o 146
o—f 190
o—cl 203
o—i 234
s—h 339
s—f 327
s—cl 253
s—br 218
s—s 266
s—o 226
se—se 226
se=se 465
se—h 425
f—f 155
cl—f 253
cl—cl 242
br—f 237
br—cl 218
br—br 193
i—cl 208
i—br 175
i—i 151
c=c 614
c≡c 839
c=n 615
c≡n 891
c=o 745
c≡o 1072
n=n 418
n≡n 941
o=o 495
n=o 607
s=o 523
s=s 418

Explanation:

Step1: Identify bonds in structure c

Structure c has \(1\) \(N - H\) bond, \(1\) \(N - O\) bond, and \(2\) \(N=O\) bonds.

Step2: Find bond - energy values

From the table: \(N - H = 391\) kJ/mol, \(N - O=201\) kJ/mol, \(N = O = 607\) kJ/mol.

Step3: Calculate total bond energy

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Answer:

\(1806\) kJ/mol