What is not true about $O^{-} \mathrm{COCOO}^{-}$ ?
- It is called oxalate
- It can produce chelation
- It is symmetrical bidentate ligand
- It is a tetradentate ligand
Solution

$ightarrow$ oxalate ion is bidentate due to two donor atom $\left(\mathrm{O}^{-}ight)$
Asked in: JEE-TOPICTESTS-CHEMISTRY