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| 1. |
Electron affinity of SF_(5) is among the highest known but that of SF_(6) is quite modest. |
| Answer» Solution : SULFUR in `SF_(6)` is saturated in terms of maximum covalency and maximum coordination number and so it has very little tendency to attract ELECTRON. In `SF_(5)` which is actually a FREE radical so it has got a very STRONG tendency to attract an electron to fulfill its covalency and co-ordination number. There fore the electron AFFINITY of `SF_(5)` is high. | |