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Questions
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
Draw an electron dot diagram to show the structure of hydronium ion. State the type of bonding present in it.
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Solution
The hydroxyl ion is formed when one hydrogen ion (H+) is removed from the water molecule, giving the following structure.
Or
\[\ce{\underset{Water}{H2O} -> \underset{Hydroxyl ion}{OH-} + \underset{Hydrogen}{H+}}\]
It has a polar covalent bond.
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