<p>:P</p>
<p>Which of the following compounds can act as a Lewis base?
a) HClO2
B) NH2NH2
C) NH4+
D) BF3
E) None of the above</p>
<p>The answer is b, but doesn’t a also have a pair of unbonded electron? 
I’m confused…</p>
<p>a is an acid
chlorous acid i think?
ClO2 is a polyatomic ion</p>
<p>At
<a href=“http://en.wikipedia.org/wiki/Lewis_base[/url]”>http://en.wikipedia.org/wiki/Lewis_base</a>
they talk about amides being Lewis bases and I think B is an amide (you can go to the link and see if you agree)</p>
<p>Actually, I dunno… hmm</p>