Which one of the following species is paramagnetic? A)Cu⁺ B)Cr³⁺ C)Zn D)Ca E)Ag⁺

Name: Which one of the following species is paramagnetic? A)Cu + B)Cr 3+ C)Zn D)Ca E)Ag +
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Question

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A species is paramagnetic if it contains unpaired electrons. In option B, there are 4 unpaired electrons in the chromium ion (Cr3+), making it paramagnetic. All other options either do not have unpaired electrons (Zn, Ca, Ag) or have paired electrons (Cu).

Which One of the Following Species Is Paramagnetic