Which of the following primary and secondary valencies are not correctly marked against the compound?
- $[Cr(NH_{3})_{6}]Cl_{3}, p = 3, s = 6$
- $K_{2}[PtCl_{4}], p = 2, s = 4$
- $[Pt(NH_{3})_{2} Cl_{2}], p = 2, s = 4$
- $[Cu(NH_{3})_{4}]SO_{4}, p = 4,s = 4$
The Correct Option is D
Solution and Explanation
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Concepts Used:
Coordination Compounds
A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.
Coordination entity:
A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.
Ligands:
A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.