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In the reaction NH3 + H+ → NH4+, the bond formed results from?

Chemistry
JAMB 1982

In the reaction NH3 + H+ → NH4+, the bond formed results from?

  • A. an electron transferred from NH3 + H+
  • B. an electron pair donated by NH3
  • C. an electron pair equally shared
  • D. an electron pair donated by H+
  • E. an electron tarnsferred from H+ to NH3
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Correct Answer: Option B
Explanation

The nitrogen atom has a lone pair of electrons that coordinates to the hydrogen cation, which has zero electrons, forming a covalent bond.

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