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

In cyclophosphazenes, $(NP{X}_2{)}_3$ (X = F, Cl, Br and Me), the strength of P-N $\pi$ -bond varies with X in the order

The structure type and shape of the polyhedral (skeletal) framework of the carborane, $M{e}_2{C}_2{B}_{10}{H}_{10}$, respectively, are

If ${\Delta }_o$ is the octahedral splitting energy and P is the electron pairing energy, then the crystal-field stabilization energy (CFSE) of $[Co(N{H}_3{)}_6{]}^{2+}$ is

The rates of substitution for the following reaction vary with L in the order

The product formed in the reaction of $MeMn(CO{)}_5$ with ${}^{13}CO$ is