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EAN of Fe in brown ring complex is independent of charge on NO.why?
Q2-coordination no.of cyclobutadiene.?

krati agarwal , 10 Years ago
Grade 12th pass
anser 1 Answers
Suraj Prasad

Last Activity: 10 Years ago

The salt [K([18]crown-6){Cp*Fe(η4-C4py4)}] (K1, py = 2-pyridyl, Cp* = C5Me5) is accessible by the reaction of an iron(0) naphthalene precursor and bis(2-pyridyl)acetylene. Cyclic voltammetry and preparative investigations demonstrate the electron-rich nature of K1, which is reversibly oxidized to neutral [Cp*Fe(η4-C4py4)] (1) at a low potential. The first coordination studies with iron(II) and zinc(II) chloride show that all four 2-pyridyl units may be employed for metal coordination.

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