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Consider Two Complexes: (I) [Fe(CN)6]4, and (II) [Fe(H2O)6]2

Question 104

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Consider two complexes: (I) [Fe(CN) 6]4, and (II) [Fe(H2O) 6]2. In view of the spectrochemical series, which one of the following sets of predictions is most likely correct? Spectrochemical Series Consider two complexes: (I)  [Fe(CN) <sub>6</sub>]<sup>4</sup><font face= symbol ><sup></sup></font>, and (II)  [Fe(H<sub>2</sub>O) <sub>6</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>. In view of the spectrochemical series, which one of the following sets of predictions is most likely correct? Spectrochemical Series   A) I is low spin, II is high spin, and II absorbs light at the shorter wavelength. B) I is low spin, II is high spin, and I absorbs light at the shorter wavelength. C) I is high spin, II is low spin, and I absorbs light at the shorter wavelength. D) Both have six d electrons, so both are high spin. E) Both have six d electrons, so both are low spin.


A) I is low spin, II is high spin, and II absorbs light at the shorter wavelength.
B) I is low spin, II is high spin, and I absorbs light at the shorter wavelength.
C) I is high spin, II is low spin, and I absorbs light at the shorter wavelength.
D) Both have six d electrons, so both are high spin.
E) Both have six d electrons, so both are low spin.

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