What is the coordination number of cobalt in [Co(NH 3 ) 6 ]Cl 3
A) 2
B) 4
C) 6
D) 8
E) None of the above

Question

What is the coordination number of cobalt in [Co(NH 3 ) 6 ]Cl 3 
A) 2
B) 4
C) 6
D) 8
E) None of the above

Quizplus · Accepted Answer

In the given compound, [Co(NHS1U1B13S1U1B1U1B0)S1U1B16S1U1B0]ClS1U1B13S1U1B0, cobalt is coordinated to four sulfur atoms from the two thiolate ligands (S1U1B13S1U1B1U1B0 in the formula), one nitrogen atom from the amide group (NHS1U1B13S1U1B1U1B0), and one nitrogen atom from the chloride ion (ClS1U1B13S1U1B0). Therefore, the coordination number of cobalt in this compound is 6.

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