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8. The bonds in crystalline ammonium chloride are A Covalent and dativeB Ionic and covalentC Ionic, covalent and dativeD Ionic, covalent and hydrogen bond

Question

8. The bonds in crystalline ammonium chloride are

A Covalent and dative
B Ionic and covalent
C Ionic, covalent and dative
D Ionic, covalent and hydrogen bond

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Solution

Ammonium chloride (NH4Cl) is an example of an ionic compound, but it also has covalent and dative bonds.

Here's why:

  1. Ionic Bond: The bond between the ammonium ion (NH4+) and the chloride ion (Cl-) is an ionic bond. This is because the ammonium ion, which is a positively charged ion (cation), is attracted to the chloride ion, which is a negatively charged ion (anion).

  2. Covalent Bond: Within the ammonium ion (NH4+), the bond between the nitrogen atom and the hydrogen atoms is a covalent bond. This is because they share electrons.

  3. Dative Bond: Also within the ammonium ion, there is a dative bond (also known as a coordinate covalent bond). This is a type of covalent bond where the shared pair of electrons comes from only one of the atoms. In this case, the nitrogen atom provides both electrons that are shared with a hydrogen atom to form the bond.

So, the correct answer is C. Ionic, covalent and dative.

This problem has been solved

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