Question:

An excess of $AgNO_3$ is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of $AgCl$ precipitated would be :

Updated On: Jun 12, 2024
  • 0.01
  • 0.001
  • 0.002
  • 0.003
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The Correct Option is B

Solution and Explanation

${AgNO_3 + [Cr(H_2O)_4 Cl_2 ]Cl -> AgCl}$
Excess mole = $MV_{(ilt)}$
$ = 0.01 \times \frac{100}{1000}$
$ = 0.001$
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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.