Question

Lewis base or acid among co2,nh3,ph3,c h3ch2oh?

Answer 1

co2 is both Lewis acid as well as Lewis base because c in co2 will act as a Lewis acid while o in co2 will act as a Lewis base.

nh3 is a Lewis base as n has lone pair of electron .

ph3 will also be a Lewis base.

c2h5oh is a Lewis base in oxygen has lone pair of electron which it can donate .