Question:
Which of the following compounds is not colored yellow?
Which of the following compounds is not colored yellow?
Updated On: Sep 14, 2024
- $Zn_2[Fe(CN)_6]$
- $K_3[Co(NO_2)_6]$
- $(NH_4)_3 [As (MO_3O_{10})_4]$
- $BaCrO_4$
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The Correct Option is A
Solution and Explanation
(1) $\left( NH _{4}\right)_{3}\left[ As \left( Mo _{3} O _{10}\right)_{4}\right]=$ Yellow
(2) $BaCrO _{4}=$ Yellow
(3) $Zn _{2}\left[ Fe ( CN )_{6}\right]=$ White
(4) $K _{3}\left[ Co \left( NO _{2}\right)_{6}\right]=$ Yellow
(2) $BaCrO _{4}=$ Yellow
(3) $Zn _{2}\left[ Fe ( CN )_{6}\right]=$ White
(4) $K _{3}\left[ Co \left( NO _{2}\right)_{6}\right]=$ Yellow
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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.