Question
Which of these ions is coloured as well as paramagnetic in nature?(a) $\mathrm{Cu}^{2+}$(b) $\mathrm{Cu}^{+}$(c) $\mathrm{Nl}^{2+}$(d) Both a and $\mathrm{c}$
Step 1
(a) CuĀ²āŗ: The electronic configuration of Cu is [Ar] 3dĀ¹ā° 4sĀ¹. When Cu loses 2 electrons, it becomes CuĀ²āŗ with the electronic configuration [Ar] 3dā¹. (b) Cuāŗ: When Cu loses 1 electron, it becomes Cuāŗ with the electronic configuration [Ar] 3dĀ¹ā°. (c) NiĀ²āŗ: The Show more…
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