What Are the Respective Central-Metal Oxidation State,coordination Number,and Overall Charge

question 117

Multiple Choice

What are the respective central-metal oxidation state,coordination number,and overall charge on the complex ion in Na₂[Cr(NH₃) ₂ (NCS) ₄]?

• A)+3; 6; -1
• B)+3; 6; +1
• C)+2; 6; -2
• D)+2; 4; -1
• E)+1; 6; -2

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