Give the IUPAC name of (NH)[Co(ONO)].
Answer: Ammonium hexanitrito-O-cobaltate(III).
Solution
The complex is anionic → metal name takes the suffix -ate.
Six O-bonded nitrito ligands (−1 each): x + 6(−1) = −3 ⇒ Co is +3.
Six O-bonded nitrito ligands (−1 each): x + 6(−1) = −3 ⇒ Co is +3.
CBSE Class 12 Board · 2003 · Foreign · Subjective