GATE CY 2014 Question Paper (02-Feb-2014) (Shift-1)

$BC{l}_3$ and $N{H}_{4}Cl$ were heated at $140$ ${}^{\circ }C$ to give compound X, which when treated with $NaB{H}_4$ gave another compound Y. Compounds X and Y are

The number of microstates in term ${}^{1}G$ is ______________

The set of protons (underlined) in $C{H}_{3}C{H}_{2}C{H}_{2}OC{H}_3$ that would exhibit different splitting patterns in high ($500$ MHz) and low ($60$ MHz) field ${}^{1}H$ NMR, is

Amongst the following, the complex ion that would show strong Jahn-Teller distortion is

Amongst the following, the metal carbonyl species having the highest ${\nu }_{CO}$ stretching frequency is