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WorksheetsQuiz: The Valence Bond Theory & Bond Strength
Total questions: 10
Worksheet time: 22mins
The sigma bonds formed in SF₆ involve the overlap of orbitals between
sp3 and s orbitals
sp3d2 and p orbitals
sp3d and p orbitals
sp2 and d orbitals
Which of the following statements regarding pi bonds is correct?
Two unhybridized orbitals are overlap sideways and perpendicular to the axis.
The electrons density in pi bond is concentrated in the region between the nuclei.
It is stronger than sigma bonds
Hybridized and unhybridized orbitals are overlap side by side
Choose the central atom in the molecule below that does not undergo sp3 hybridization.
H2O
CH4
NH3
ClF3
What are the types of hybridization for the carbon and nitrogen atoms in the aniline molecule?
C sp3 and N sp3
C sp and N sp2
C sp2 and N sp3
C sp2 and N sp2
Why can xenon (Xe) form bonds with fluorine to create the compounds XeF₂ and XeF₄?
Empty d orbitals is available
High nuclear charge of Xe atom
The electrons in p-orbital promoted to d-orbitals
The Xe atom has lower electronegativity
The molecular shape of ZF3 molecule is shown below
The hybrid orbitals in ZF3 is
sp3
sp2
sp3d
sp3d2
A molecule contains only carbon and hydrogen. In the structure, the molecule has two sp carbons and three sp³ carbons. Determine the structural formula of the molecule.
The purpose of promoting one or more electrons in the process of forming hybrid orbitals is ___________________
to increase the number of orbital
to increase the number of unpaired electrons
to use the empty d-orbitals
to make orbital have same the shape and energy
Choose the following compounds that has the largest number of pi bonds.
H2CO
CO2
HCN
SO3
How many sp3d2 orbitals can be produced from hybridization and what is the electron geometry?
five orbitals, trigonal bipyramidal
three orbitals, trigonal planar
four orbitals, tetrahedral
six orbitals, octahedral
