Practice Coordination Compounds - IIT JEE Offered by Unacademy

Coordination Compounds

Which of the following contains neither paramagnetic nor low-spin complex?

$\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$

$\mathrm{K}_{2}\left[\mathrm{Pt}(\mathrm{CN})_{4}\right]$

$\mathrm{K}_{\mathrm{2}}\left[\mathrm{Zn}(\mathrm{CN})_{4}\right]$

$\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$