1(iv)
Identify the ion that contain one lone pair of electrons.
- (a)OH-1
- (b)H3O+
- (c)NH4+
- (d)H+
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H3O+
Reason — The pair of electrons not shared by any other atom are called lone pair of electrons. H3O+ has only one lone pair of electrons. Whereas, OH1- contains three lone pair of electrons and NH4+ and H+ contains no lone pair of electrons.