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IUPAC name of Na(3)[Co(NO(2))(6)] is...

IUPAC name of `Na_(3)[Co(NO_(2))_(6)]` is

A

sodium hexanitritocobaltate(II)

B

sodium hexanitritocobalt(III)

C

sodium hexanitrocobaltate(III)

D

sodium cobaltnitrite

Text Solution

Verified by Experts

The correct Answer is:
C
IUPAC name of `Na_(3)[Co(No_(2))_(6)]` sodium hexanitritocobaltate (III)
Oxidation state : `3(1) + x + 6(-1) = 0`
or `x - 3 = 0 Rightarrow x = 3`.
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2007-CHEMISTRY
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