Question

Stability order of VA group hydrides is

Answer 1

Write the order of thermal stability of the hydrides of Group 16 elements. Answer. The thermal stability of hydrides decreases on moving down the group. This is due to a decrease in the bond dissociation enthalpy (H-E) of hydrides on moving down the group.

Answer 2

The hydrides become less thermally stableand more reactive down the column. The M-H and M-CH3 mean bond enthalpies decrease in strength down the group and consequently the hydrides and alkyls become less stable. 2. The majority of nitrogen compounds are covalent.