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Q. The IUPAC name of $[Cr(NH_{3})_{6}]^{3+}$ is

Coordination Compounds

Solution:

In the given ion $[Cr(NH_{3})_{6}]^{3+}$, the oxidation state of chromium is +3 and here $6NH_{3}$ ligands are attached to the central metal atom. Therefore its IUPAC name is hexamminechromium (III) ion.