-PH3
-CH4
-H2S
-HF
-NH3
2007-11-26 09:36:26 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
H-F, because the electronegativity of F=4.0 and of H=2.2, so that greatest difference between the two indicates greatest bond polarity.
2007-11-26 09:44:37 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋
HF because F has 3 lone electron pairs and hydrogen has 0, which is a greater difference than any of the other 4. You figure that out by drawing out their structures.
2007-11-26 09:44:55 · answer #2 · answered by Stephen Z 2 · 0⤊ 0⤋
F is on top of group6 and I locates close to the bottom. Electronegativity increases from bottom to up in the group. I-F has the greatest difference in electronegativity between the two. W.
2016-05-26 01:06:22 · answer #3 · answered by ? 3 · 0⤊ 0⤋
HF
2007-11-26 09:44:17 · answer #4 · answered by ? 5 · 0⤊ 0⤋