JAMB - Chemistry (1982 - No. 10)
In the reaction NH3 + H+ → NH4+, the bond formed results from?
an electron transferred from NH3 + H+
an electron pair donated by NH3
an electron pair equally shared
an electron pair donated by H+
an electron tarnsferred from H+ to NH3
स्पष्टीकरण
The nitrogen atom has a lone pair of electrons that coordinates to the hydrogen cation, which has zero electrons, forming a covalent bond.