Which of the following is incorrect IUPAC naming- - Vidyadip

MCQ

Which of the following is incorrect $IUPAC$ naming-

A
$Co(NH_3)_5NO_2]_3 [Co(NO_2)_6]_2$

pentaamminenitrito $-N-$ cobalt $(III)$ hexanitrito $-N-$ cobaltate $(III)$
✓
$H_2[OsCl_5N]$

hydrogenhexacloridoosmate $(IV)$
C
$K_2[OsCl_5N]$

Potassium pentachloridonitridoosmate $(VI)$
D
$[Cr(H_2O)_6]^{3+}$

hexaaquachromium $(III)$ ion

✓

Answer

Correct option: B.

$H_2[OsCl_5N]$

hydrogenhexacloridoosmate $(IV)$

b
In $K_{2} N i F_{6}$ oxidation state of nickel is +4

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