Question

What is the relative order of bond polarity, with respect to `N-H`, `O-H`, `F-H`, and `P-H`?

Answer 1

`underbrace(H-P, H-N, H-O, H-F)_rarr`
`"Order of increasing bond polarity......"`

Explanation:

And how to assess this quantitatively? Well, examine the Pauling electronegativities of `H(2.02); P(2.19); N(3.04); O(3.44); F(3.98)`

Clearly, `H-F` should give rise to the most polar bond.