Chem regents june 08?

Question

what did you guys get for the question about the polar molecule... the choices were NH3, CO2, and two other ones that were obviously nonpolar

Answer 1

all the answers are found right here

http://jmap.org/JMAP/IJMAP/Chemistry/Reg...

Answer 2

NH3, CO2 is nonpolar as well.

Answer 3

NH3 has a spare pair of electrons , so its slightly polar.

O=C=O has 2 pairs of electrons, on each O, but move toward the double bonds, so CO2 not considered too polar.

Answer 4

I'm think its NH3.