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1. All the questions are compulsory. 2. Q. N
1. All the questions are compulsory. 2. Q. N

... easily oxidised. Thus the decreasing order for their ease of oxidation is Mn > Cr >Fe. (ii) K4[Mn(CN)6] Mn is in +2 oxidation state. Magnetic moment 2.2 indicates that it has one unpaired electron and hence forms inner orbital or low spin complex. In presence of CN− is a strong ligand, hybridisation ...
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Coordination complex



In chemistry, a coordination complex or metal complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents. Many metal-containing compounds, especially those of transition metals, are coordination complexes.
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