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प्रश्न
Answer the following question:
Which element of the first transition series has highest second ionisation enthalpy?
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उत्तर
Out of all the elements of the first transition series copper has the highest second ionisation enthalpy.
Electronic configuration of Copper is: \[\ce{3d^10 4s^1}\]
After the Loss of first electron from the 4s copper acquires \[\ce{3d^10}\] configuration which is stable. Therefore, removal of second electron from the field 3-D orbital is very difficult and requires high amount of energy.
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संबंधित प्रश्न
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| Cr3/Cr2+ | −0.4 V |
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| Fe3+/Fe2+ | +0.8 V |
Use this data to comment upon:
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The E° value for the Mn2+/Mn2+ couple is more positive than that of Cr3+/Cr2+ or Fe3+/Fe2+ due to the change of:
