Part B What is the charge on each of the following complex ions? hexaaquachromiu

Question

Part B

What is the charge on each of the following complex ions?

hexaaquachromium(II), [Cr(H2O)6]?

tris(carbonato)ferrate(III), [Fe(CO3)3]?

diaquatetrachlorovanadate(III), [V(H2O)2Cl4]?

Express the charges numerically, in the order that the complexes are listed, separated by commas. For a nonzero charge, be sure to include the sign (e.g., +1,-2,+3).

Part C

What is the oxidation number of the central metal ion in each of the following complexes?

[NiCl2Br2]2

[Fe(H2O)2(NH3)4]3+

Na[Cu(CN)2]

Express the oxidation numbers numerically, in the order that the complexes are listed, separated by commas. For a nonzero oxidation number, be sure to include the sign (e.g., +1,-2,+3).

Explanation / Answer

Part B

hexaaquachromium(II), [Cr(H2O)6]2+

tris(carbonato)ferrate(III), [Fe(CO3)3]3+

diaquatetrachlorovanadate(III), [V(H2O)2Cl4]1-

Part C

[NiCl2Br2]2 Ni2+

[Fe(H2O)2(NH3)4]3+ Fe3+   

Na[Cu(CN)2] Cu2+

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