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Question: Answered & Verified by Expert
The secondary valency of platinum in tetra amminedichloroplatinum (IV) chloride is
ChemistryCoordination CompoundsKCETKCET 2012
Options:
  • A $+2$
  • B 3
  • C 6
  • D $+4$
Solution:
1766 Upvotes Verified Answer
The correct answer is: 6
Secondary valency corresponds to the coordination number. The formula of the given complex is $\left[\mathrm{Pt} \mathrm{Cl}_{2}\left(\mathrm{NH}_{3}\right)_{4}\right] \mathrm{Cl}_{2}$.
In it coordination number of $\mathrm{Pt}=2+4=6$
$\therefore$ Secondary valency of Pt $=6$.

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