Question

The stable pentahalides of Group 15 are PF5, PCl5, PBr5, AsF5, AsCl5, SbF5, SbCl5 and BiF5. Suggest reasons why those missing from the list are not stable at ambient conditions

Draw simple molecular structures for N2, N4, P2 and P4. Use the bond strength data below to explain which structure is stable for nitrogen, and which structure is stable for phosphorus. E(N≡N) 948 kJ mol -1 E(P≡P) 485 kJ mol -1 E(N-N) 167 kJ mol -1 E(P-P) 209 kJ mol

Answer 1

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