Question:

Effective atomic number of the central metal ion, $Pt$, in the complex $\left[Pt\left(N H_{3}\right)_{6}\right]^{4+}$ is: (The atomic no. of $Pt$ is $78$)

Updated On: Jun 14, 2022
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The Correct Option is C

Solution and Explanation

EAN of $P t=Z-O N+2 \times L$
$=78-(+4)+2 \times 6=86$
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Questions Asked in AMUEEE exam

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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.