Co-Ordination Compounds Question 154
Question: The IUPAC name of $ K_2[Cr{{(CN)}_2}O_2{{(O)}_2}(NH_3)] $ is
Options:
A) potassiumamminedicyanodioxoperoxo chromate (VI)
B) potassiumamminecyanoperoxodioxo chromium (VI)
C) potassiumamminecyanoperoxodioxo chromium (IV)
D) potassiumamminecyanoperoxodioxo chromate (IV)
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Answer:
Correct Answer: A
Solution:
O.S.
of Cr in $ K_2[Cr{{(CN)}_2}O_2(NH_3)] $
$ \Rightarrow +2+x-2-2-4+0=0 $
$ \Rightarrow x-6=0\Rightarrow x=+6 $
$ \therefore $ IUPAC name is Potassiumamminedicyanodioxoperoxo chromate (VI).