GATE CY 2013 Question Paper (20-Jan-2013) (Shift 2)

According to polyhedral electron count rule, the structure of $R{h}_6(CO{)}_{16}$ is

The increasing order of melting points of the halides NaCl, CuCl and NaF is

The correct electronic configuration and spin only magnetic moment of $G{d}^{3+}$ (at.no. 64) are

Among the following octahedral complexes, the one that has the highest enthalpy of hydration is

A metal crystallizes in face-centered cubic lattice with a lattice parameter of $4.20\text{ A˚}$. The shortest atom to atom contact distance in the lattice is