Co-Ordination Compounds Question 215

Question: The IUPAC name of [Cr(NH3)6]3+ is

[Pb. CET 2001]

Options:

A) Hexamminechromium (VI) ion

B) Hexamminechromium (III) ion

C) Hexamminechromium (II) ion

D) Hexamminechloride

Show Answer

Answer:

Correct Answer: B

Solution:

In the given ion [Cr(NH3)6]3+ , the oxidation state of chromium is +3 and here 6NH3 ligand are attached to the central metal atom.

Therefore its IUPAC name is hexamminechromium (III) ion.



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