The PH3 molecule has a tetrahedral arrangement of the electron pairs. Which of following is true regarding the H-P-H angles in the molecule?

a) The angles are slightly greater than those in a perfect tetrahedron.

b) The angles are equal to those in a perfect tetrahedron.

c) The angles are slightly less than those in a perfect tetrahedron.

d) None of the above.

1 Answer

Relevance
  • 1 month ago

    c) The angles are slightly less than those in a perfect tetrahedron.

    The unshared electron pair occupies more space than the other pairs and so forces the other pairs slightly closer together.

Still have questions? Get your answers by asking now.