#challengeoftheweek
Chemistry grade 11
Unit 2: Chemical Bonding and Unit 3: Physical State Of Matter
Final Exam: Chemistry
1. Which of the following bonds is the most polar?
a) C-H
b) N-H
c) O-H
d) F-F
2. What type of bond is formed when atoms share electrons?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond
3. Which of the following compounds contains ionic bonds?
a) CO₂
b) H₂O
c) NaCl
d) CH₄
4. What is the electron geometry of methane (CH₄)?
a) Linear
b) Tetrahedral
c) Trigonal planar
d) Bent
5. What is the hybridization of carbon in ethene (C₂H₄)?
a) sp
b) sp²
c) sp³
d) sp³d
6. Which of the following forces is the strongest?
a) London dispersion forces
b) Dipole-dipole interactions
c) Covalent bonds
d) Hydrogen bonds
7. The octet rule is not obeyed by which of the following molecules?
a) CH₄
b) BF₃
c) NH₃
d) H₂O
8. Which element is most likely to form a cation?
a) Fluorine
b) Oxygen
c) Sodium
d) Sulfur
9. Which state of matter has a definite volume but no definite shape?
a) Solid
b) Liquid
c) Gas
d) Plasma
10. What happens to the pressure of a gas when its temperature increases at constant volume?
a) Increases
b) Decreases
c) Remains the same
d) Becomes zero
11. The boiling point of a liquid increases when:
a) Atmospheric pressure decreases
b) Atmospheric pressure increases
c) The liquid is stirred
d) The liquid is frozen
12. Which of the following is an example of sublimation?
a) Water boiling
b) Ice melting
c) Dry ice turning into gas
d) Condensation on a cold glass
13. What is the dominant intermolecular force in water (H₂O)?
a) London dispersion forces
b) Dipole-dipole interactions
c) Hydrogen bonding
d) Ionic bonding
14. What is the relationship between the temperature and kinetic energy of particles in a gas?
a) Inversely proportional
b) Directly proportional
c) No relationship
d) Exponentially proportional
15. Which gas law states that volume and temperature are directly proportional at constant pressure?
a) Boyle’s Law
b) Charles’s Law
c) Avogadro’s Law
d) Dalton’s Law
Chemistry grade 11
Final Exam-Level
Unit 2: Chemical Bonding and Unit 3: Physical State Of Matter
Final Exam: Chemistry
1. Which of the following bonds is the most polar?
a) C-H
b) N-H
c) O-H
d) F-F
2. What type of bond is formed when atoms share electrons?
a) Ionic bond
b) Covalent bond
c) Metallic bond
d) Hydrogen bond
3. Which of the following compounds contains ionic bonds?
a) CO₂
b) H₂O
c) NaCl
d) CH₄
4. What is the electron geometry of methane (CH₄)?
a) Linear
b) Tetrahedral
c) Trigonal planar
d) Bent
5. What is the hybridization of carbon in ethene (C₂H₄)?
a) sp
b) sp²
c) sp³
d) sp³d
6. Which of the following forces is the strongest?
a) London dispersion forces
b) Dipole-dipole interactions
c) Covalent bonds
d) Hydrogen bonds
7. The octet rule is not obeyed by which of the following molecules?
a) CH₄
b) BF₃
c) NH₃
d) H₂O
8. Which element is most likely to form a cation?
a) Fluorine
b) Oxygen
c) Sodium
d) Sulfur
9. Which state of matter has a definite volume but no definite shape?
a) Solid
b) Liquid
c) Gas
d) Plasma
10. What happens to the pressure of a gas when its temperature increases at constant volume?
a) Increases
b) Decreases
c) Remains the same
d) Becomes zero
11. The boiling point of a liquid increases when:
a) Atmospheric pressure decreases
b) Atmospheric pressure increases
c) The liquid is stirred
d) The liquid is frozen
12. Which of the following is an example of sublimation?
a) Water boiling
b) Ice melting
c) Dry ice turning into gas
d) Condensation on a cold glass
13. What is the dominant intermolecular force in water (H₂O)?
a) London dispersion forces
b) Dipole-dipole interactions
c) Hydrogen bonding
d) Ionic bonding
14. What is the relationship between the temperature and kinetic energy of particles in a gas?
a) Inversely proportional
b) Directly proportional
c) No relationship
d) Exponentially proportional
15. Which gas law states that volume and temperature are directly proportional at constant pressure?
a) Boyle’s Law
b) Charles’s Law
c) Avogadro’s Law
d) Dalton’s Law
Answer Key
1, c) O-H
2, b) Covalent bond
3, c) NaCl
4, b) Tetrahedral
5, b) sp²
6, c) Covalent bonds
7,b) BF₃
8,c) Sodium
9,b) Liquid
10,a) Increases
11,b) Atmospheric pressure increases
12,c) Dry ice turning into gas
13,c) Hydrogen bonding
14,b) Directly proportional
15, b) Charles’s Law