Out of the following chemical species, how many are strictly NON-POLAR ()? , , , , , , , , , .

Question

Out of the following chemical species, how many are strictly NON-POLAR ($\mu_{net} = 0$)? $CO_2$, $H_2O$, $CCl_4$, $CHCl_3$, $BF_3$, $BeF_2$, $NH_3$, $NF_3$, $XeF_4$, $PCl_5$.

Prashant Kotian · Accepted Answer

Correct answer: 6. A molecule is non-polar if it has a completely symmetrical geometry where all bond dipoles and lone pairs cancel. The non-polar molecules in the list are: (linear), (tetrahedral), (trigonal planar), (linear), (square planar), and (trigonal bipyramidal). Total = 6.

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