
AP Chemistry Unit 2 Review
Authored by Lisa Thompson
Science
12th Grade
NGSS covered
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The following molecules all contain polar bonds however only one is a polar molecule. Which one?
CCl4
CO2
NH3
CH4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine the electron geometry (eg) and molecular geometry (mg) of XeF4 (Lewis structure is shown) .
eg = tetrahedral, mg = tetrahedral
eg = linear, mg = linear
eg = octahedral, mg = square planar
eg = trigonal bipyramidal, mg = tetrahedral
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the VSPER shape of PCl5
See-saw
trigonal planar
octahedral
trigonal bipyramidal
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following molecular shapes would have a bond angle of 180 Degrees?
Bent
Trigonal Planar
Tetrahedral
Linear
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these alloys is a substitutional alloy?
Bronze
Steel
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is the bond angle in NH3 molecule is smaller than that in CH4 molecule?
Among the four electron pairs around the central atom N in NH3
molecule, there are two lone pairs which require more space than bonding pairs and tend to compress the angles between the bonding pairs.
Among the four electron pairs around the central atom N in NH3
molecule, there is one lone pair which requires more space than a bonding pair and tends to compress the angles between the bonding pairs.
Among the four electron pairs around the central atom N in NH3
molecule, there is one lone pair which requires less space than bonding pairs and tend to increase the angles between the bonding pairs.
In reality, bond angle in NH3 molecule is larger than that in CH4 molecule.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct Electron Geometry and then Molecular Geometry of this molecule.
Tetrahedral, Trigonal planar
Tetrahedral, Trigonal pyramidal
Tetrahedral, Tetrahedral
Trigonal Bipyramidal, Bent
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