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

Among the given boranes and heteroboranes, the example which belongs to 'closo' type is

The reaction of $P_2{O}_5$ with $HN{O}_3$ and $HCl{O}_4$, respectively, gives

When crystals of sodium chloride are heated in the presence of sodium vapor, they turn yellow. This is due to the formation of

One mole of an ideal gas is compressed from 5 L to 2 L at constant temperature. The change in entropy, in $J{K}^{-1}$, of the gas is ________ ($R=8.314J{K}^{-1}mo{l}^{-1}$)

The linear momentum of a particle described by the wavefunction $e^{-ikx}$ is