What is the ideal bond angle for a molecule with a trigonal planar molecular geometry?

Chemistry Molecular Geometry

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11th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
120 degrees
105 degrees
150 degrees
90 degrees
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of electron pair repulsion theory and how it determines molecular geometry.
Molecular geometry is determined by the number of protons in the central atom.
Electron pair repulsion theory determines molecular geometry by arranging electron pairs around a central atom to minimize repulsion.
Electron pair repulsion theory does not consider the shape of molecules.
Electron pair repulsion theory is based on the attraction between electron pairs.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is hybridization in chemistry and how does it affect the shape of molecules?
Hybridization is the term used for combining two different chemical compounds in chemistry, without any influence on the shape of molecules.
Hybridization refers to the mixing of colors in chemistry, leading to the formation of new shades, but does not affect the shape of molecules.
Hybridization in chemistry is the concept of mixing atomic orbitals to form new hybrid orbitals, which influences the shape of molecules by determining the arrangement of atoms around a central atom.
Hybridization is the process of converting a liquid into a gas in chemistry, which has no impact on the shape of molecules.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Discuss the difference between polar and nonpolar molecules in terms of molecular geometry.
Nonpolar molecules have an asymmetrical geometry because of an uneven distribution of electron density.
Polar molecules have a symmetrical geometry due to an even distribution of electron density.
Polar molecules have a symmetrical geometry due to an even distribution of electron density.
Polar molecules have an asymmetrical geometry due to an uneven distribution of electron density, while nonpolar molecules have a symmetrical geometry because of an even distribution of electron density.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the bond angle in a molecule with a tetrahedral molecular geometry?
180 degrees
109.5 degrees
120 degrees
90 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the VSEPR theory help in predicting the shape of molecules?
The VSEPR theory considers electron pair repulsion to predict the shape of molecules.
The VSEPR theory uses the color of the molecule to predict its shape.
The VSEPR theory relies on the number of protons in the nucleus to predict the shape of molecules.
The VSEPR theory focuses on ionic bonding to predict the shape of molecules.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of sp3 hybridization and provide an example of a molecule that exhibits this hybridization.
Water (H2O)
Carbon dioxide (CO2)
Methane (CH4)
Ammonia (NH3)
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