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| 1. |
Explain ionisation enthalpy of group 14 elements . |
| Answer» Solution :The first ionisation enthalpies of the ELEMENTS of GROUP 14 are higher than those of the corresponding group 13 elements DUE to greater NUCLEAR charges and smaller atomic sizes . The variation in the first ionisation enthalpy of the elements of group 14 moving down the group is `C GT Si gt Sn lt Pb.` | |