GATE CY 2016 Question Paper (31-Jan-2016) (Shift 2)

According to Irving-Williams series, the number of d electrons for the first row transition metal (M) ion having the highest overall stability constant (log $\beta$) for $[M(EDTA){]}^{2-}$ is ________

The magnitude of the difference in the crystal field stabilization energies, in ${\Delta }_o$ (ignoring pairing energy), of $[Fe(H_{2}O{)}_6{]}^{2+}$ and $[Fe(CN{)}_6{]}^{4-}$ is ________

The calculated and observed magnetic moments differ considerably for an aqua complex of a lanthanide(III) ion as a result of low lying states of high J. The ion, among the following, is

In the electronic spectrum of $[Cr{F}_6{]}^{3-}$, absorption bands observed at $670$, $440$, and $290$ nm are, respectively, due to the transitions

Amongst the following, the group that is bound to the metal ion in coenzyme $B_{12}$ is