CHEM 101 Unit 3 Progress Check: MCQ questions and answers Exam (elaborations)
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CHEM 101 Unit 3 Progress Check
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CHEM 101 Unit 3 Progress Check
CHEM 101 Unit 3 Progress Check: MCQ questions and answers
Exam (elaborations)
Which particle diagram shown above best represents the strongest intermolecular force between two ethanol, , molecules? A Diagram 1, because it shows hydrogen bonds forming between hydrogen atoms from different ethanol ...
chem 101 unit 3 progress check mcq questions and answers exam elaborations
chem 101 unit 3 progress check mcq questions and answer
chem 101 unit 3 progress check
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AP Scoring
Chemistry Guide
Unit 3 Progress Check: MCQ
CHEM 101 Unit 3 Progress Check: MCQ
questions and answers
Exam (elaborations)
Page 1 of
, AP Scoring
Chemistry Guide
Unit 3 Progress Check: MCQ
1.
Which particle diagram shown above best represents the strongest intermolecular
force between two ethanol, , molecules?
A Diagram 1, because it shows hydrogen bonds forming between hydrogen atoms from
different ethanol molecules.
B Diagram 1, because it shows strong, directional dipole-dipole forces between two polar
ethanol molecules.
Diagram 2, because it shows the formation of a hydrogen bond between anatom bonded to an
C
atom with anatom from another molecule.
D Diagram 2, because it shows the dipole from an ethanol molecule inducing a dipole in
another ethanol molecule.
2.
The diagram above represents four cations, all shown to the same scale. Which cation
would be predicted by Coulomb’s law to have the strongest ion-dipole attraction to
water, and why?
Page 2 of
, AP Scoring
Chemistry Guide
Unit 3 Progress Check: MCQ
A
, because it is the smallest group 1 metal ion.
B, because it has the largest charge-to-size ratio.
C
, because it has the smallest charge-to-size ratio.
D
, because it is the largest group 2 metal ion.
3.
A solid compound of a group 1 (alkali) metal and a group 17 (halogen) element
dissolves in water. The diagram above represents one type of solute particle present
in the solution. Which of the following identifies the solute particle and best helps
explain how the solute particle interacts with water molecules?
Page 3 of
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