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Discussion

Science Preparation for Engineering Entrance
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Both Co3+ and Pt4+ have coordination number as six. Which of the following pairs of complexes will show approximately the same electrical conductance for their 0.001 M aqueous solutions?

 
CoCl3.4NH3 and PtCl4.4NH3
CoCl3.3NH3 and PtCl4.5NH3
CoCl3.6NH3 and PtCl4.5NH3
CoCl3.6NH3 and PtCl4.3NH3

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Santosh Vishwanathan

Coordination number of Pt is 6 so 6 nh3 molecules should be a part of the complex. So the answer has to be a) not c) Anyone agree with me?