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Question
Give an example for each of the following statement.
A compound in which coordinate bond is formed.
Solution
Formation of coordinate covalent bond in ammonium ion (NH4+)
In ammonia molecule the central nitrogen atom has five valence electrons (2,5) among which three electrons are shared with three hydrogen atoms and still it has an unshared lone pair of electrons. This lone pair electrons are donated to a Hydrogen ion and thus a N ➝ H coordinate covalent bond is formed in ammonium ion molecule (NH4+).
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