The d-electron configurations of Cr^ 2+ , Mn^ 2+ , Fe^ 2+ and Co^ 2+ are d^4, d^5, d^6 and d^7 respectively....

Question

The d-electron configurations of Cr^ 2+ , Mn^ 2+ , Fe^ 2+ and Co^ 2+ are d^4, d^5, d^6 and d^7 respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no. Cr = 24, Mn = 25, Fe = 26, Co = 27 ).

Accepted Answer

(1)

JEE Main 2012 Chemistry question

Solution

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