Subject: Inorganic Chemistry · Chapter: Inorganic Spectroscopy · Topic: Mossbauer · Exam: NET JUNE 2015 · Marks: 2 · Difficulty: Medium
The reduced form of a metal ion M in a complex is NMR active. On oxidation, the complex gives an EPR signal with $g_{\parallel}=2.2$ and $g_{\perp}=2.0$. Mossbauer spectroscopy cannot characteristic the metal complex. The M is