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

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Answer 1 · 2017-08-24T15:32:06

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

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.

What is the relative order of bond polarity, with respect to N-HN−HN-H, O-HO−HO-H, F-HF−HF-H, and P-HP−HP-H?