INTRODUCTORY CHEMISTRY QUIZ AND
EXAM ANSWERS PART 3 2025 /
GUARANTEED PASS!!
A solution has a pH of 13.20. We can conclude that
A) the solution is very acidic.
B) the solution is only slightly acidic.
C) the solution is only slightly basic.
D) The solution is very basic.
- answer-D) The solution is very basic.
A solution has a pH of 7.68. We can conclude that
A) the solution is very acidic.
B) the solution is only slightly acidic.
C) the solution is only slightly basic.
D) the solution is very basic.
- answer-C) the solution is only slightly basic.
A solution has a pOH of 1.47. This tells us
A) the solution is very acidic.
B) the solution is only slightly acidic.
C) the solution is only slightly basic.
D) the solution is very basic.
- answer-D) the solution is very basic.
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Based on your Lewis structure for AlCl₃, how many
electron domains are on the central atom?
- answer-3
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Given the electron configuration of Al is [Ne]3s²3p¹,
how many valence electrons does Al have?
- answer-3
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Given the electron configuration of Cl is [Ne]3s²3p⁵,
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, how many valence electrons does Cl have?
- answer-7
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). If an Al atom has 3 valence electrons and a Cl atom
has 7 valence electrons, How many total valence electrons does the AlCl₃ molecule
have?
- answer-24
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). If the molecule has 3 electron domains, what is the
molecular geometry of AlCl₃?
A) T-shaped
B) trigonal pyramidal
C) tetrahedral
D) trigonal planar
- answer-D) trigonal planar
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Which of the following is the correct noble gas electron
configuration for Al?
A) [Ne]3s²3p¹
B) [Ne]3s²3p²
C) [Ne]3s¹2p²
D) [Ne]3s²3p³
- answer-A) [Ne]3s²3p¹
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Which of the following is the correct noble gas electron
configuration for Cl?
A) [Ne]3s²3p⁶
B) [Ne]3s¹3p⁶
C) [Ne]3s²3p⁴
D) [Ne]3s²3p⁵
- answer-D) [Ne]3s²3p⁵
An unknown compound is analyzed and found to contain 0.1935 g of carbon, 0.0325 g
of hydrogen, and 0.2043 g of fluorine.The molar mass of the compound is 240.23 g/mol.
Given that you have 0.01611 moles of carbon, 0.0322 moles of hydrogen, and 0.01075
moles of fluorine in the compound, determine the empirical formula of the unknown
compound.
A) C₃H₃F₂
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EXAM ANSWERS PART 3 2025 /
GUARANTEED PASS!!
A solution has a pH of 13.20. We can conclude that
A) the solution is very acidic.
B) the solution is only slightly acidic.
C) the solution is only slightly basic.
D) The solution is very basic.
- answer-D) The solution is very basic.
A solution has a pH of 7.68. We can conclude that
A) the solution is very acidic.
B) the solution is only slightly acidic.
C) the solution is only slightly basic.
D) the solution is very basic.
- answer-C) the solution is only slightly basic.
A solution has a pOH of 1.47. This tells us
A) the solution is very acidic.
B) the solution is only slightly acidic.
C) the solution is only slightly basic.
D) the solution is very basic.
- answer-D) the solution is very basic.
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Based on your Lewis structure for AlCl₃, how many
electron domains are on the central atom?
- answer-3
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Given the electron configuration of Al is [Ne]3s²3p¹,
how many valence electrons does Al have?
- answer-3
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Given the electron configuration of Cl is [Ne]3s²3p⁵,
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, how many valence electrons does Cl have?
- answer-7
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). If an Al atom has 3 valence electrons and a Cl atom
has 7 valence electrons, How many total valence electrons does the AlCl₃ molecule
have?
- answer-24
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). If the molecule has 3 electron domains, what is the
molecular geometry of AlCl₃?
A) T-shaped
B) trigonal pyramidal
C) tetrahedral
D) trigonal planar
- answer-D) trigonal planar
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Which of the following is the correct noble gas electron
configuration for Al?
A) [Ne]3s²3p¹
B) [Ne]3s²3p²
C) [Ne]3s¹2p²
D) [Ne]3s²3p³
- answer-A) [Ne]3s²3p¹
Aluminum chloride, AlCl₃, is used in a variety of organic reactions as a Lewis acid.
Although it adopts a more complex geometry in the solid state, consider it as a single
molecule (i.e., in the gas phase). Which of the following is the correct noble gas electron
configuration for Cl?
A) [Ne]3s²3p⁶
B) [Ne]3s¹3p⁶
C) [Ne]3s²3p⁴
D) [Ne]3s²3p⁵
- answer-D) [Ne]3s²3p⁵
An unknown compound is analyzed and found to contain 0.1935 g of carbon, 0.0325 g
of hydrogen, and 0.2043 g of fluorine.The molar mass of the compound is 240.23 g/mol.
Given that you have 0.01611 moles of carbon, 0.0322 moles of hydrogen, and 0.01075
moles of fluorine in the compound, determine the empirical formula of the unknown
compound.
A) C₃H₃F₂
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