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After a discussion about thestructures of hydrides of group-15 elements, .Neethu wrote the order of bond angles as NH_3ltPH_3ltAsH_3. Also arrange the above hydrides in the increasing order of their thermal stability. Justify your answer. |
| Answer» SOLUTION :Thermal STABILITY order is `AsH_3ltPH_3ltNH_3` The thermal stability is related to the STRENGTH of E-H BOND(where E=N, Por As).The strength of E-H bond DECREASES from `NH_3`to `AsH_3`. | |