Asked by student

Which of the following is considered a Lewis acid or a Lewis base.

I-
H2O
BCl3
NH3
OH-
H+
CO2
SO2
Answered by DrBob222
Do you want A substance that can be both a Lewis acid AND a Lewis base or do you want to classify each material listed as a Lewis acid or Lewis base.
Answered by student
each material listed, sorry for not being specific.
Answered by DrBob222
Draw the Lewis electron dot structure and it will help you decide.
A Lewis acid is an electron pair acceptor. A Lewis base is an electron pair donator.
I^- has any of four pairs to donate.
BCl3 is one of those compounds with too few electrons (it doesn't obey the rule of eight) and it can accept a pair of electrons.
NH3 has a pair of unused electrons it can donate.
You look at the others.
Answered by student
Def, have a better understanding.
Thanks so much
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