a) SO4-2 (has a charge of -2)
b) BF3
c) O2
d) Al-H-I2 (one Al, one H and 2 I atoms)
i know its not C because O2 has a zero dipole moment, since both have the same electronegativity they cancel each other out. but still i cant get to the right answer... PLEASE HELP ME!
2006-10-28 12:02:43 · 3 answers · asked by r.y 2 in Science & Mathematics ➔ Chemistry
SO4-2 and AlHI2. Geometry of SO4-2 is square pyramidal, dipole moment point towards the nonbonding pair of electrons. AlHI2, though trigonal planar, dipole moment point towards the electronegative Iodine atoms.
2006-10-28 14:06:00 · answer #1 · answered by titanium007 4 · 0⤊ 0⤋
b) BF3, it has the trigonal planer molecular geometry, and so the 3 BF dipoles will point out, but cancel each other since the angle between each of them is 120 degrees.
2006-10-28 12:22:10 · answer #2 · answered by Anonymous · 0⤊ 0⤋
(d) AlHI2 has a non-zero dipole moment. All other ions or molecules are non-polar.
2006-10-28 12:46:49 · answer #3 · answered by Dimos F 4 · 0⤊ 0⤋