Which of these molecules is nonpolar: H2CO, SO3, NF3, CHCl3?

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Which of these molecules is nonpolar: H2CO, SO3, NF3, CHCl3?

2007-01-07 09:41:50 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

NF3

2007-01-11 09:41:40 · answer #1 · answered by Anonymous · 0⤊ 1⤋

Draw your structures, remembering that O and N have unshared pairs.

To get you started: H2CO and SO3 are trigonal planar and have one double bond w/O, NF3 and CHCl3 are tetrahedral.

Whichever molecule has equal and opposite pull of charges will be the one that is non-polar.

2007-01-07 17:57:43 · answer #2 · answered by teachbio 5 · 2⤊ 0⤋