Revision NotesExam QuestionsPast Papers
International ASChemistryEdexcelExam Questions1. Structure, Bonding & Introduction to Organic Chemistry1.7 Covalent Bonding & Structure

Covalent Bonding & Structure (Edexcel International AS Chemistry)

Exam Questions

45 mins10 questions

Select a question set to download for
1.7 Covalent Bonding & Structure

Select an answer set to view for
1.7 Covalent Bonding & Structure

Easy
Medium
11 mark

Which substance has a giant lattice of atoms?

  • diamond

  • ice

  • poly(ethene)

  • sodium chloride

Choose your answer

Did this page help you?

21 mark

Which molecule is planar?

  • CF4

  • C2F4

  • PF5

  • SF6

Choose your answer

Did this page help you?

11 mark

The hydrogen ion, H+, bonds to a water molecule forming an H3O+ ion.

For H3O+, what shape and H-O-H bond angle are predicted by the electron-pair repulsion theory?

  • trigonal planar 120°

  • trigonal planar 117.5°

  • trigonal pyramidal 107°

  • trigonal pyramidal 104.5°

Choose your answer

Did this page help you?

21 mark

Which of these molecules is not polar?

  • CO2

  • HCl

  • H2O

  • NH3

Choose your answer

Did this page help you?

31 mark

Which row gives the correct polarities of the S—F bond and the SF6 molecule?

(1)

      Polarity of S—F bond Polarity of SF6 molecule
  ☐ A polar polar
  ☐ B polar non-polar
  ☐ C non-polar polar
  ☐ D non-polar non-polar

    Choose your answer

    Did this page help you?

    41 mark

    Which compound has bonds that are the most polar?

    • H2O

    • H2S

    • NH3

    • PH3

    Choose your answer

    Did this page help you?

    51 mark

    Which of these molecules is the most polar?

    • HF

    • OF2

    • BF3

    • CF4

    Choose your answer

    Did this page help you?