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What is order of first second and third ionisation enthalpy? Why? |
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Answer» Solution :First ionisation ENTHALPY of element is less than second ionisation enthalpy of element. Second ionisation enthalpy of element is less than third ionisation enthalpy of element. Order : `3^(rd) gt 2^(nd) gt 1^(st)` ( ionisation enthalpy) Because, positive charge INCREASES attraction increases, so more ENERGY is required to lose electron. |
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