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Coordination sphere isomers ________. Select one: A. have the same molecular formula but different coordination numbers B. have the same molecular formula and coordination number C. are the same as resonance structures D. have different molecular formulas and different coordination numbers E. have different molecular formulas but the same coordination number

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Answer:

have the same molecular formula and coordination number

Explanation:

Coordination sphere isomers refer to two or more coordination compounds which have the different compositions within the coordination sphere (i.e., the metal atom plus the ligands that are bonded to it) i.e., the connectivity between atoms is different.

Let us show a typical example;

[Cr(NH3)5(OSO3)]Br and [Cr(NH3)5Br]SO4

The molecular formula and coordination number of the both compounds are the same but atom-atom connections differ. In one compound, sulphate ion is outside the coordination sphere while in its isomer, the sulphate ion is inside the coordination sphere.

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