In the formation of ammonium ion (NH₄⁺) from NH₃ and H⁺, the type of bond formed is:

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NH₃ has a lone pair on nitrogen, which it donates to the empty 1s orbital of H⁺, forming a coordinate (dative) bond where both electrons come from nitrogen. The resulting NH₄⁺ has four equivalent N–H covalent bonds and a +1 charge. Coordinate bonds are common in complex ions: e.g., [Ag(NH₃)₂]⁺. Once formed, a coordinate bond is indistinguishable from a covalent bond.

In the formation of ammonium ion (NH₄⁺) from NH₃ and H⁺, the type of bond formed is: MCQ with Answer and Explanation

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