Question

What will be the shape of a molecule which contain six bond pairs with no lone pair of electrons
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Answer 1

Answer:

As there are 6 bond pairs and one lone pair then the structure will be pentagonal bipyramidal and the lone pair will be at equitorial position.

As there is 72 degree angle between the equitorial bonds hence it is unstable but still XeF6 make this structure and lone pair exist in the equitorial position.

Answer 2

Answer:

The shape of the molecule will be octahedral.

Explanation:

According to the "Valence Shell Electron Pair Repulsion" (VSEPR) theory, a molecule containing six bond pairs with no lone pair of electrons will have octahedral molecular geometry.

Number of electron pairs = 6

Bond pairs = 6

Lone pairs = 0

Shape = Octahedral

Some of the molecules having octahedral shapes are $SF_6, SiF_6^{2-} and AsF_6^-$.

The octahedral shape is shown below.

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