Co-Ordination Compounds Question 215
Question: The IUPAC name of $ {{[Cr{{(NH_3)}_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{{(NH_3)}_6}]}^{3+}} $ , the oxidation state of chromium is +3 and here $ 6NH_3 $ ligand are attached to the central metal atom.
Therefore its IUPAC name is hexamminechromium (III) ion.
