Engineering
Chemistry
Compounds of Nitrogen Family
Question

Based on the compounds of group 15 elements, the correct statement(s) is (are)

Bi2O5 is more basic than N2O5

NF3 is more covalent than BiF3

PH3 boils at lower temperature than NH3

The N-N single bond is stronger than the P-P single bond

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Solution

(A)  N2+5O5 >Bi2+5O5  > (Acidic)

         Acidic strength a oxidation state a Non Metallic character.

 ∴   Bi2O5 is more basic

(B)    NF3 is more covalent BiF3

(C)    Boiling point of NH3 > PH3 (H–bond in NH3)

(D)    P – P single is stronger than N – N single bond due to lone pair – lone pair repulsion