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WAEC Chemistry 2018 Objective — Question 47

Question 47 of 50 from the West African Examinations Council (WAEC) Chemistry 2018 Objective paper, with the correct answer and a full explanation.

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The bonding pair of electrons in a hydrogen chloride molecule is pulled towards the chlorine atom because

  • A. chlorine has a larger atomic size
  • B. chlorine has a larger atomic mass
  • C. chlorine is more electronegativeCorrect
  • D. there is no bonding orbitals within the hydrogen atom

Explanation

Chlorine is more electronegative than hydrogen, so it pulls the shared bonding electron pair closer to itself.

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