Question

valence shell electron pair repulsion theory is used to predict which of the following
a. energy level in an atom
b. the shapes of molecules and ions
c. the electronic getivities in compound's
d. type of bonding in compound's​

Answer 1

Answer:

b is the answer of the question

Answer 2

Valence shell electron pair repulsion theory is used to predict the shapes of molecules and ions.

Explanation:

• A molecular model which is used to predict the geometry of the atoms involved in making up a molecule where central atom minimizes the electrostatic forces between the valence electrons of the molecule is known as valence shell electron pair repulsion theory.

• This means that the shape of a molecule or ion can be easily determined using valence shell electron pair repulsion. For example, $BF_{3}$ is a trigonal planar molecule.

• As, hybridization of $BF_{3}$ will be calculated as follows.

                Hybridization = $\frac{1}{2}[V+N-C+A]$

where,

V = number of valence electrons present in central atom

N = number of monovalent atoms bonded to central atom

C = charge of cation

A = charge of anion

              Hybridization = $\frac{1}{2}[V+N-C+A]$

                                    = $\frac{1}{2}[3 + 3]$

                                    = 3

So, the hybridization of $BF_{3}$ will be $sp^{2}$.  

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