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# 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.

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- hcbiochemLv 71 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.

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