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| 1. |
Calculate the electron gain enthalpy of fluorine atom using the following data. Make Born – Haber's cycle. All the values are in kJ mol^(-1) at 25^(@) C , Delta H_("diss") (F_(2)) = 160 , Delta H_(f)^(0) (NaF(s)) = -571 , I.E. [Na (g) ] = 494 , DeltaH_("vap") [Na(s)] = 101 . Lattice energy of NaF (s) = -894. |
| Answer» SOLUTION :`-352 KJ MOL^(-1)` | |