IUPAC name of Na_3[Co(ONO)_6] is - Vidyadip

MCQ

$IUPAC$ name of $Na_3[Co(ONO)_6]$ is

✓
Sodium cobalt nitrite
B
Sodium hexanitrito $-O-$ cobaltate $(III)$
C
Sodium hexanitrocobalt $(III)$
D
Sodium hexanitrito cabaltate $(II)$

✓

Answer

Correct option: A.

Sodium cobalt nitrite

a
$CrO_2Cl_2$
Let $O$. No. of $Cr\, = x$
$\therefore $ $x +2 (-2) +2 (-1 )\,=0$

$x - 4 - 2\,=0$

$\therefore $ $x\, = +6$

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