Arrange the following bonds in decreasing order of bond strength : C-N, C=N, C≡N
Arrange the following bonds in decreasing order of bond strength :
C-N, C=N, C≡N
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C≡N > C=N > C-N
Note :
Average bond lengths for some single, double and triple bonds :
| Type of bond | Covalent bond length (pm) |
| O-H | 96 |
| C-H | 107 |
| N-O | 136 |
| C-O | 143 |
| C-N | 143 |
| C-C | 154 |
| C=C | 121 |
| N=O | 122 |
| C=C | 133 |
| C=N | 138 |
| C≡N | 116 |
| C≡C | 120 |
| Type of bond | Covalent bond length (pm) |
| H2(H-H) | 74 |
| F2(F-F) | 144 |
| Cl2(Cl-Cl) | 199 |
| Br2(Br-Br) | 228 |
| I2(I-I) | 267 |
| N2(N≡N) | 109 |
| O2(O-O) | 121 |
| HF (H-F) | 92 |
| HCl (H-Cl) | 127 |
| HBr (H-Br) | 141 |
| HI (H-I) | 160 |
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