1.

Why there is no loss of exchange energy at d6 configuration..?​

Answer»

Answer:

The LOSS of exchange energy increases the stability. As the stability increases, the ionisation BECOMES more difficult. There is no loss of exchange energy at d6 CONFIGURATION. Mn+ has 3d54s1 configuration and configuration of Cr+ is d5, therefore, ionisation ENTHALPY of Mn+ is lower than Cr+.

Explanation:

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