Lesson 3.1.3.5
3.1.3.5 Shapes of simple molecules and ions Quiz: AQA Chemistry, Unit 1
20 questions
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Lesson 3.1.3.5, Shapes of simple molecules and ions: 20 multiple choice questions for the AQA Chemistry (7405), Unit 1: Physical chemistry, written with Revision Ninja.
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The 20 questions
-
Which electron pair repulsion is the strongest according to VSEPR theory?
- Lone pair–bond pair
- Core pair–lone pair
- Lone pair–lone pair
- Bond pair–bond pair
-
What is the shape of a methane molecule, CH4?
- Square planar
- Linear
- Trigonal planar
- Tetrahedral
-
What is the bond angle in methane, CH4?
- 90
- 104.5
- 120
- 109.5
-
What is the shape of a boron trifluoride molecule, BF3?
- Tetrahedral
- Trigonal pyramidal
- Trigonal planar
- Bent
-
What is the shape and bond angle of a water molecule?
- Linear, 180°
- Tetrahedral, 109.5°
- Trigonal planar, 120°
- Bent, 104.5°
-
What is the bond angle in an ammonia molecule, NH3?
- 120°
- 109.5°
- 104.5°
- 107°
-
Which molecule is linear?
- CO2
- CH4
- NH3
- H2O
-
What is the shape of an ammonia molecule, NH3?
- Trigonal pyramidal
- Trigonal planar
- Bent
- Tetrahedral
-
What is the shape and bond angle of sulfur hexafluoride, SF6?
- Octahedral, 90°
- Square planar, 90°
- Tetrahedral, 109.5°
- Trigonal bipyramidal, 90°
-
What shape does PCl5 have?
- Octahedral
- Tetrahedral
- Trigonal bipyramidal
- Square pyramidal
-
What is the shape of XeF4, which has four bonding pairs and two lone pairs?
- Octahedral
- Tetrahedral
- Square planar
- Seesaw
-
What is the molecular shape of sulfur dioxide, SO2?
- Linear
- Trigonal planar
- Bent
- Tetrahedral
-
How many lone pairs are present on the oxygen atom in water?
- Zero
- Two
- One
- Three
-
Which molecule has bond angles of 120 degrees?
- H2O
- CH4
- NH3
- BF3
-
What is the shape of the carbonate ion, CO3 2-?
- Linear
- Tetrahedral
- Trigonal planar
- Trigonal pyramidal
-
What is the shape of ClF3, which has three bonding pairs and two lone pairs?
- Trigonal pyramidal
- Trigonal planar
- T-shaped
- Linear
-
A central atom has two bonding pairs and two lone pairs. What is the shape?
- Tetrahedral
- Bent
- Linear
- Trigonal planar
-
What is the bond angle in the ammonium ion, NH4+?
- 107 degrees
- 90 degrees
- 104.5 degrees
- 109.5 degrees
-
What is the shape of the ICl4- ion, which has four bonding pairs and two lone pairs?
- Tetrahedral
- Square planar
- Trigonal bipyramidal
- Octahedral
-
How do outer-shell electron pairs arrange around a central atom?
- Parallel linear alignment
- Fixed cubic positions
- Minimum separation distance
- Maximum separation distance
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