Question

iupac name [Cr(H2O)6]Cl3

Answer 1

Hexaaquachromium(III) chloride

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Answer 2

Answer : The iupac name is Hexaaquachromium(III)chloride.

Explanation :

Naming of coordination compounds :

• First name the ligands and then metal with oxidation number (in roman numerals).

The oxidation number of chromium is (+3).

In the given compound, water is a neutral ligand and chloride contain -1 charge. Therefore, the oxidation number of chromium is (+3).

• Assign the number of ligands in a complex with a prefix, di for 2, tri for 3, tetra for 4, and so on.

• Name the ligands in alphabetical order.