JEE PYQ: Coordination Compounds Question 5
Question 5 - 2021 (18 Mar Shift 1)
The total number of unpaired electrons present in the complex $\text{K}_3[\text{Cr(oxalate)}_3]$ is ____.
Show Answer
Answer: 3
Solution
$\text{K}_3[\text{Cr(oxalate)}_3]$: Chromium is in +3 oxidation state. $\text{Cr}^{3+}$ has $d^3$ configuration. Number of unpaired electrons = 3.