Q5 of 68 Page 39

In PO43- ion the formal charge on the oxygen atom of P–O bond is

The formal charge on an atom can be calculated from the following formula:


Thus, for oxygen atom in PO43- ion the formal charge is -1.


Formal charge on oxygen atom = 6-(6+) = -1

More from this chapter

All 68 →
3

The types of hybrid orbitals of nitrogen in NO2+ , NO3- and NH4+ respectively are expected to be

 4

Hydrogen bonds are formed in many compounds e.g., H2O, HF, NH3 . The boiling point of such compounds depends to a large extent on the strength of hydrogen bond and the number of hydrogen bonds. The correct decreasing order of the boiling points of above compounds is :

 6

In NO3- ion, the number of bond pairs and lone pairs of electrons on nitrogen atom are

 7

Which of the following species has tetrahedral geometry?