In which cases do you expect deviations from the idealized bond angle? Check all that apply....

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Question

In which cases do you expect deviations from the idealized bond angle? Check all that apply....

In which cases do you expect deviations from the idealized bond angle?

Check all that apply.

A. PF3
B. CH3Br
C. SBr2
D. BCl3

science chemistry

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Answer 1

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Answer #1

Concepts and reason

Valence shell electron pair repulsion (VSEPR) theory:

• In valance shell electron pair repulsion (VSPER) theory, the electrons that surround the central atom of a molecule are arranged in such a way to minimize the electron-electron repulsions.

• This arrangement of electrons can be used to predict the geometrical shape of polyatomic molecules by using the bond pair and lone pair of electrons surrounding the central atom/ions.

• According to VSEPR theory, lonepair-lonepair repulsion > lonepair-bondpair repulsion>bondpair-bondpair repulsion.

Fundamentals

The molecular shape of various molecules having specific number of lone pair of electrons and bonding pair of electrons are given below:

Number of Number of lone Molecular
bonding groups | pairs on the notation
on the central central atom
atom
Electron-pair
geom

The geometrical shape of molecules that can be identified by calculating the number of bond pair and lone pair of electrons and the steps involved in the calculation is given below:

Step.1: Write the electron dot formula from the given molecular formula.

Step.2: Determine the total number of bonding pair electrons and lone pair of electrons that is present around the central atom.

Step.3: Determine the arrangement of these electron pairs around the central atom to find the electron geometry.

Bond angle:

The bond angle connects the two bonds that are formed between three atoms.

Ideal bond angle:

It is the bond angle when the structure of the molecule is ideal and there is no deviations from ideal geometry.

The wrong choice is,

The correct choices are,

PF;
CH,Br
SBT

Ans:

The molecules that undergo deviations from the idealized bond angle are given below:

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Answer 2

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In which cases do you expect deviations from the idealized bond angle? Check all that apply....

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