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Which of the substances is non-polar?

Chemistry
WAEC 2019

Which of the substances is non-polar?

  • A. Bromine
  • B. Ammonia
  • C. Water
  • D. Hydrogen Bromide
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Correct Answer: Option A
Explanation

 Br2 (Bromine) is nonpolar because, in this molecule, both bromine atoms have the same electronegativity due to which both atoms have equal charge distribution and results in a net-zero dipole moment.

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