The PFs molecule exists whereas NFs does not. Which one of the following is the

Question

The PFs molecule exists whereas NFs does not. Which one of the following is the best explanation for this fact? a. The first five ionization energies of nitrogen are too high but those of phosphorus are not. b. The electron affinity of nitrogen is too high. c. NFs would be too polar to be stable. d. Simple P^5+ ions exist but simple N^5+ ions are too small to exist. e. Phosphorus atoms can undergo hybridization Involving d orbitals, whereas nitrogen atoms cannot. A balloon containing Xe is filled with the same number of atoms as another balloon containing He. Which statement is true for these balloons at the same temperature and pressure? a. The balloons have the same number of gas b. The balloons contains gases with the same density c. The balloons have the same volume d. The balloons contain atoms with the same average speed

Explanation / Answer

31. Option e (since Nitrogen does not contain empty d orbitals, but Phosphorus contains empty 3d orbital)

32. Option c (at same temperature and pressure, equal volumes of all gases contains same number of atoms or molecules-Avagadro's law)

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