Physical Chemistry - Bonding Practice Questions
A-Levels · A-Level Chemistry · 138 free MCQs with instant results and detailed explanations.
138
Total
34
Easy
72
Medium
32
Hard
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Sample Questions from Physical Chemistry - Bonding
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which type of bond is formed when electrons are shared between two atoms?
A.
Ionic bond
B.
Covalent bond
C.
Metallic bond
D.
Hydrogen bond
Show Answer & Explanation
Correct Answer: B
A covalent bond occurs when two atoms share electrons, allowing them to achieve a full outer electron shell, which stabilizes the atoms involved.
Q2
Easy
What is the bond angle in a water molecule (H2O)?
A.
120 degrees
B.
109.5 degrees
C.
104.5 degrees
D.
90 degrees
Show Answer & Explanation
Correct Answer: C
The bond angle in a water molecule is approximately 104.5 degrees due to the two lone pairs of electrons on oxygen, which repel the hydrogen atoms.
Q3
Easy
Which of the following molecules has the highest polarity?
A.
CH4
B.
HCl
C.
CO2
D.
NH3
Show Answer & Explanation
Correct Answer: D
Ammonia (NH3) is more polar than the other listed molecules because it has a significant difference in electronegativity between nitrogen and hydrogen, along with a trigonal pyramidal shape that does not allow dipoles to cancel out.
Q4
Medium
Which of the following types of bonding involves the sharing of electron pairs between atoms?
A.
Ionic Bonding
B.
Covalent Bonding
C.
Metallic Bonding
D.
Van der Waals Forces
Show Answer & Explanation
Correct Answer: B
Covalent bonding involves the sharing of electron pairs between atoms, allowing them to attain stable electron configurations. This is distinct from ionic bonding, which involves the transfer of electrons.
Q5
Medium
Which hybridization corresponds to the molecular geometry of a molecule with a trigonal planar shape?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Correct Answer: B
Trigonal planar geometry is associated with sp2 hybridization, where one s orbital and two p orbitals mix to form three equivalent hybrid orbitals that lie in the same plane.
Q6
Medium
Which of the following molecules exhibits hydrogen bonding?
A.
HCl
B.
NH3
C.
CH4
D.
CO2
Show Answer & Explanation
Correct Answer: B
NH3 (ammonia) exhibits hydrogen bonding due to the presence of a highly electronegative nitrogen atom bonded to hydrogen, allowing for strong intermolecular attractions.
Q7
Medium
If a compound is formed from a metal and a non-metal, what type of bond is most likely to form?
A.
Covalent Bond
B.
Metallic Bond
C.
Ionic Bond
D.
Coordinate Bond
Show Answer & Explanation
Correct Answer: C
A compound formed from a metal and a non-metal typically forms an ionic bond because the metal tends to lose electrons and the non-metal tends to gain them, resulting in electrostatic attraction.
Q8
Hard
Which of the following statements best describes the nature of the ionic bond in NaCl?
A.
Ionic bonds are formed by the sharing of electrons between atoms.
B.
Ionic bonds are formed through the transfer of electrons from one atom to another, creating charged ions.
C.
Ionic bonds involve delocalized electrons that are free to move.
D.
Ionic bonds are characterized by weak van der Waals forces between molecules.
Show Answer & Explanation
Correct Answer: B
Ionic bonds are specifically formed by the transfer of electrons, resulting in the formation of positively and negatively charged ions, which are held together by electrostatic forces of attraction.
Q9
Hard
Consider a molecule of sulfur trioxide (SO3). Which of the following statements about its molecular geometry is correct?
A.
SO3 has a tetrahedral geometry.
B.
SO3 has a trigonal planar geometry due to the presence of resonance.
C.
SO3 exhibits a linear geometry due to the presence of double bonds.
D.
SO3 has a bent geometry because of lone pairs on sulfur.
Show Answer & Explanation
Correct Answer: B
Sulfur trioxide has a trigonal planar geometry as it consists of three double bonds between sulfur and oxygen, and the resonance structures indicate that the molecule maintains this planar shape.
Q10
Hard
Which of the following statements best describes the hybridization of the central atom in the molecule SF6?
A.
sp3d2 hybridization with octahedral geometry
B.
sp3 hybridization with tetrahedral geometry
C.
d2sp3 hybridization with trigonal bipyramidal geometry
D.
sp2 hybridization with planar geometry
Show Answer & Explanation
Correct Answer: A
The central sulfur atom in SF6 undergoes sp3d2 hybridization, forming six equivalent bonding orbitals arranged in an octahedral geometry to accommodate the six fluorine atoms.
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Physical Chemistry - Bonding — A-Levels A-Level Chemistry Practice Questions Online
This page contains 138 practice MCQs for the chapter Physical Chemistry - Bonding in A-Levels A-Level Chemistry. The questions are organized by difficulty — 34 easy, 72 medium, 32 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit.