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AP®ChemistryCollege BoardExam QuestionsUnit 2: Compound Structure & PropertiesVSEPR & Hybridization

VSEPR & Hybridization (College Board AP® Chemistry)

Exam Questions

12 mins12 questions
Medium
Hard
11 mark
A diagram of methanol

What is the hybridization of carbon and oxygen in methanol respectively?

  • sp3 and sp2

  • sp2 and sp

  • sp and sp2

  • sp3 and sp3

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21 mark

Which molecule is trigonal bipyramidal in shape?

  • PCl3

  • SiCl4

  • PCl5

  • SF6

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31 mark

Which one of these compounds has a bond angle of 120°?

  • H3O+  

  • TlBr32-

  • BCl3

  • NH3 

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41 mark
A glycine molecule

The structure of glycine is shown above. What is the correct number of sp2 and sp3 atoms in glycine?

  • 8 sp2 atoms, 2 sp3atoms

  • 2 sp2 atoms, 8 sp3 atoms

  • 3 sp2 atoms, 2 sp3 atoms

  • 2 sp2 atoms, 3 sp3 atoms

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51 mark
benzoic-acid-structure-ib-hl-mcq-14-1-h-q1

The structure of benzoic acid is shown above. Which correctly describes the bonding taking place in benzoic acid?

  • 10 sigma bonds, 6 pi bonds

  • 15 sigma bonds, 4 pi bonds

  • 17 sigma bonds, 4 pi bonds

  • 9 sigma bonds, 10 pi bond

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61 mark

Which molecule has the smallest bond angle?

  • CH4

  • H2O

  • BeF2

  • NH3

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71 mark

 AsF3 is an example of what type of molecular geometry?

  • Tetrahedral

  • Trigonal planar

  • Trigonal bipyramidal

  • Trigonal pyramidal

  • T-shaped

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81 mark
q4_14-1_ib_hl_mcq

How many sigma (σ) and pi (π) bonds are there in the molecule above?

  • 9 sigma bonds and 2 pi bonds

  • 2 sigma bonds and 4 pi bonds

  • 11 sigma bonds and 2 pi bonds

  • 11 sigma bonds and 4 pi bonds

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11 mark

The correct shape and bond angle for the TlBr32- ion?

  • pyramidal and 120°

  • pyramidal and 107°

  • tetrahedral and 109.5°

  • tetrahedral and 120°

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21 mark

The correct shape of a ClF2- ion is

  • Linear

  • Linear

  • Bent

  • Trigonal planar

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31 mark

The correct molecular geometry and domain geometry for phosphorus trichloride, PCl3, is:

 

molecular geometry

domain geometry

A

trigonal planar

trigonal planar

B

trigonal pyramid

tetrahedral

C

tetrahedral

trigonal planar

D

tetrahedral

trigonal pyramid

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    41 mark

    Which combination describes the PH4+ ion?

     

    Molecular geometry

    Central atom hybridisation

    A

    Tetrahedral

    sp3

    B

    Square planar

    sp3

    C

    Tetrahedral

    sp2

    D

    Square planar

    sp2

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