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CAIE A-Level Chemistry AS 13.3.3 Arrangement of and Bonds in Molecules Questions

Practise describing sigma and pi bonding at sp, sp2 and sp3 centres and counting each bond type in a structure.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • count every single bond as one sigma bond and the first bond of each multiple bond as sigma
  • count one pi bond in every double bond and two pi bonds in every triple bond shown
  • draw a pi bond as side-on overlap of parallel p orbitals above and below the sigma-bond axis

CAIE A-Level Chemistry AS 13.3.3 Arrangement of and Bonds in Molecules Questions question 1

[Maximum number: 2]

Fig. 5.2 shows two reactions of W to produce organic compounds Y and Z.

Fig. 5.2

Fig. 5.2

Deduce the number of sigma ( σ\sigma ) bonds and pi ( π\pi ) bonds present in Z.
number of σ\sigma bonds
number of π\pi bonds

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