why NH3 act as a Lewis base
Answers
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=> In ammonia the molecule consists of a nitrogen atom as a central metal atom. Ammonia is Lewis base because nitrogen has a lone pair of electrons which can be donated, hence it acts as Lewis base. NH^3
can give a lone pair of electrons to protons to form ammonium ions . This reaction shows its Lewis base tendency. NH^3+H+→NH+^4 ⇒ Here in this reaction the lone pair on the nitrogen atom is transferred to the hydrogen ion . Hydronium ion acts as a Lewis acid here which accepts electrons from ammonia.
=> A Lewis acid-base reaction can be done when a Lewis base donates a pair of electrons to an Lewis acid. Lets see an example of Lewis acid-base reaction. In the following reaction each of two ammonia molecules which is a Lewis base donates a pair of electrons to a silver ion which acts as Lewis acid in the reaction.
We know that, Here we learned about Lewis base and also learned why ammonia acts as a Lewis base in any reaction. Ammonia has a filled orbital containing an electron pair which does not involve bonding and Lewis acid contains an empty orbital which is capable of accepting electrons.
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Explanation:
Ammonia is Lewis base because nitrogen has a lone pair of electrons which can be donated, hence it acts as Lewis base. \[N{H_3}\] can give a lone pair of electrons to protons to form ammonium ions . This reaction shows its Lewis base tendency.
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