Amongst $TiF_6^{2-}$ , $CoF_6^{3-}$ , $Cu_2Cl_2$ and $NiCl_4^{2-}$ the colourless species are
$CoF_6^{3-}$ and $NiCl_4^{2-}$
$TiF_6^{2-}$ and $CoF_6^{3-}$
$Cu_2Cl_2$ and $NiCl_4^{2-}$
$TiF_6^{2-}$ and $Cu_2Cl_2$
Triple degenerate $d-$ orbitals are exactly half-filled in
The oxoanion in which the oxidation state of the central atom is same as its group number in the periodic table is
Which of the following pair of elements cannot form an alloy
Metal-metal bonding is more frequent in $4d$ or $5d$ series than in $3d$ series due to
Which ion has maximum magnetic moment