Among [NiCl2(PPh3)2] and Na4[Mn(NCS)6] spin-only magnetic moments respectively are: (A) 0.00 and 1.89 (B) 2.83 and 1.89 (C) 2.83 and 5.92 (D) 0.00 and 5.92
Understand the Problem
The question is asking to determine the spin-only magnetic moments of two different coordination compounds, [NiCl2(PPh3)2] and Na4[Mn(NCS)6], and to compare them against the provided options. The approach will involve calculating the magnetic moments based on the number of unpaired electrons in the coordination complexes.
Answer
[NiCl2(PPh3)2] = 2.83 BM; Na4[Mn(NCS)6] = 5.92 BM
The final answer is [NiCl2(PPh3)2] has a spin-only magnetic moment of 2.83 BM and Na4[Mn(NCS)6] has a spin-only magnetic moment of 5.92 BM.
Answer for screen readers
The final answer is [NiCl2(PPh3)2] has a spin-only magnetic moment of 2.83 BM and Na4[Mn(NCS)6] has a spin-only magnetic moment of 5.92 BM.
More Information
[NiCl2(PPh3)2] is a high spin complex with two unpaired electrons, giving it a magnetic moment of 2.83 BM. [Mn(NCS)6]4- has five unpaired electrons leading to a magnetic moment of 5.92 BM.
Tips
A common mistake is to assume no unpaired electrons without verifying electron configurations and hybridization.
