Asked Oct 10, 2019

10. Predict the geometry of the following molecules using the VSEPR method: (a) HgBr2,

(b) N2O,

(c) SCN– (arrangement of atoms is SCN).


Expert Answer

Step 1

The VSEPR theory in chemistry refers to the valence shell electron-pair repulsion theory  is used to predict the structure of any given molecule or polyatomic ion where the central metal atom is a non-metal as well as in some molecules having a metal as the central atom.

Step 2

The main assumption of this theory is that electron pairs which are located in the bonds and the lone pairs will repel each other and will adopt the geometry which places the pair of electrons as far apart from each other as much possible.

Step 3

The VSEPR model can be used to predict the geometry of the molecules of most of the polyatomic molecules and ions as well by focusing only the electron pairs present around th...

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