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What is the total number of shared pair of electrons in the compound above?

Chemistry
WAEC 2018

What is the total number of shared pair of electrons in the compound above?

  • A. 5
  • B. 8
  • C. 10
  • D. 12
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Correct Answer: Option D
Explanation

Each double bond has two pairs of valence electrons shared to form a covalent bonding. Also, every C-H bond, has 2 valence elctrons involved. Drawing the Lewis structure, you see that the above compound has 12 valence electrons shared.


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