Answered: 66. Determine the molecular geometry of…

66. Determine the molecular geometry of each molecule. (a) SiO2 (b) BF3 (c) CFCI3 (carbon is central) (e (d) H,CS (carbon is central) that hast sdrisa ai VOVOH

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter8: Bonding And Molecular Structure

Section: Chapter Questions

Problem 91IL: A paper published in the research Journal Science in 2007 (S. Vallina and R. Simo, Science, Vol....

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Concept explainers

Formal Charges

Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.

Polarity Of Water

In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.

Valence Bond Theory Vbt

Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.

Question

#66, Lewis Dot Structures for each molecule as well

72. Determine the bond angles for each molecule in Problem 70.
molecule. (Hint: Determine the geometry around each of
bi (b) CH4 (skeletal structure H2CCH2) srtw sid
of lone pairs for each of the molecules in Problem 62. The
64. Determine the number of bonding groups
and the number
sum of these should equal your answers to Problem a
66. Determine the molecular geometry of each molecule
(a) SiO2
(b) BF3
(c) CFCI3 (carbon is central)
(e (d) H,CS (carbon is central) isdnsa a
as that has
the ane
68. Determine the bond angles for each molecule in Problem 6.
70. Determine the electron and molecular geometries of
the two central atoms.)
(a) CH2 (skeletal structure HCCH)
(c) CH6 (skeletal structure H,CCH3)
ant stiw
74. Determine the electron and molecular
molecyle Fou u
of each
geometries
entral atom

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