GATE CY 2017 Question Paper (05-Feb-2017) (Shift 1)

The lanthanide ion that exhibits color in aqueous solution is

The hapticity of cycloheptatriene, $(C_7{H}_8)$, in $Mo(C_7{H}_8)(CO{)}_3$ is ______________.

The $V_{O-O}$ resonance Raman stretching frequency (in cm${}^{-1}$) of the $O_2$ coordinated to iron centre in oxy-hemoglobin is nearly

The energy band diagram for magnesium is (The hatched and unhatched regions in the figure correspond to filled and unfilled regions of the band, respectively.)

$P,F$ and $I$ represent primitive, face-centered and body-centered lattices, respectively. The lattice types of $NaCl$ and $CsCl$, respectively, are