Coordination CompoundseasyMCQ SINGLE

Which of the following complex compound(s) is/are paramagnetic and low spin?<br>(I) K3[Fe(CN)6] (II)Coordination Compounds Chemistry Question

Question

Which of the following complex compound(s) is/are paramagnetic and low spin?<br>(I) K3[Fe(CN)6] (II) [Ni(CO)4]0 (III) [Cr(NH3)6]3+ (IV) [Mn(CN)6]4-<br>Choose the correct code :

Answer: C

💡 Solution & Explanation

Fe3+ in [Fe(CN)6]3- is low spin d5 (1 unpaired e-). Mn2+ in [Mn(CN)6]4- is low spin d5 (1 unpaired e-). Both are paramagnetic and low spin.

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