Do you think that a pair of Na+ Cl- as units would be present in the s

1.	Do you think that a pair of Na+ Cl- as units would be present in the solid crystal? Explain.
Answer» 1. No, the electrostatic forces are non-directional. 2. Therefore, it is not possible for one Na⁺ to be attracted by one Cl^- and vice-versa. 3. Depending upon the size and charge of particular ion, number of oppositely charged ions get attracted by it, but, in a definite number. 4. In sodium chloride crystal each Na⁺ is surrounded by 6 Cl^- and each Cl^- by six Na⁺ions. Ionic compounds in the crystalline state consists of orderly arranged cations and anions held together by electrostatic forces of attractions in three dimensions.

Do you think that a pair of Na+ Cl- as units would be present in the solid crystal? Explain.

Answer»

1. No, the electrostatic forces are non-directional.

2. Therefore, it is not possible for one Na⁺ to be attracted by one Cl^- and vice-versa.

3. Depending upon the size and charge of particular ion, number of oppositely charged ions get attracted by it, but, in a definite number.

4. In sodium chloride crystal each Na⁺ is surrounded by 6 Cl^- and each Cl^- by six Na⁺ions.

Ionic compounds in the crystalline state consists of orderly arranged cations and anions held together by electrostatic forces of attractions in three dimensions.

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