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| 1. |
The bond energies of F2 , Cl2, Br2 and I2 are 155, 244, 193 and 151 kJ mol–1 respectively. The weakest bond will be in(a) Br2 (b) Cl2 (c) F2 (d) I2 |
| Answer» (d) The lesser the bond energy, the weaker is the bond | |