12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II

  • question_answer 67)
        Which of the following statements are correct? (a) All the three N ? 0 bond lengths in  are equal. (b) All P? Cl bond lengths in PCI5 molecule in gaseous state are equal (C) P4 molecule in white phosphorus have angular strain therefore white phosphorus is very reactive (d) PCI5 is ionic in solid state in which cation is tetrahedral and anion is octahedral.

    Answer:

                        (c, d) (a) All the three N?O bond lengths in  are not equal. (b) All P?CI bond lengths in PCI5 molecule in gaseous state are not equal. Axial bond is longer than equatorial bond. (c) P4 molecule in white phosphorous have angular strain therefore white phosphorous is very reactive. (d) PCI5 is ionic in solid state in which cation is tetrahedral and anion is octahedral. Cation? Anion?


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