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Chemical Bonding
Test Description: A simple quiz on Chemical Bonding to revise your concepts.
Instructions: Answer all questions to get your test result.
1) Of the following molecules, which is a polar molecule?
A
Dichloromethane
B
Hexane
C
Methane
D
Benzene
2) Which of the following simple covalent molecules has 3 bond pairs and no lone pairs of electrons?
A
Nitrogen Gas
B
Sulfur Dioxide Gas
C
Carbon Dioxide Gas
D
Oxygen Gas
3) Why is the melting point of Magnesium Flouride much higher as compared to Sulfur Diflouride?
A
This is because the ions in Magnesium Flouride are held by strong electrostatic attracton forces.
B
This is because the electrostatic repulsion between the electrons of Magnesium Flouride is greater.
C
This is because Magnesium is more electronegative as compared to Sulfur.
D
This is because the Van De Waals Forces in Magnesium Flouride is stronger than Sulfur Dioxide.
4) Which of the following is not considered a intermolecular force?
A
Permanent Dipole-Dipole Bond
B
Lewis Bonds
C
Induced Dipole-Dipole Bond
D
Hydrogen Bonds
5) Which of the following is not a property displayed generally by ionic compounds?
A
High Boiling Point
B
Does not conduct electricity in solid state
C
Not brittle
D
High Melting Point
6) Which of the following statement about Sigma and Pi Bonds is true?
A
Sigma Bonds happens when orbitals overlaps head-on.
B
Pi Bonds are stronger than Sigma Bonds
C
A single covalent bond will consist only of a pi bond.
D
A triple covalent bond will consist of 2 sigma bonds and 1 pi bond.
7) Which of the following elements is the most electronegative?
A
Hydrogen
B
Nitrogen
C
Flourine
D
Oxygen
8) Why is tetrachloromethane not a polar molecule when it has polar bonds?
A
Dipole moments in tetrachloromethane cancels out each other
B
There are 4 Chlorine atoms but only 1 Carbon atom in a tetrachloromethane molecule
C
Chlorine in tetrachlormethane is more electronegative as compared to Carbon
D
Water, which is a polar compound, is not present
9) Hydrogen Bonds cannot occur between which molecules
A
Ammonia
B
Carbon Disulfide
C
Water
D
Hydrogen Flouride
10) What is the shape of a Iodine Pentaflouride Molecule?
A
Tetrahedral
B
Square Pyramidal
C
Trigonal Bipyramidal
D
Octahedral
*select an answer for all questions
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