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Chapter 8: Problem 94

Write the formulas and names of the oxides of the second-period elements (Li to \(\mathrm{N}\) ). Identify the oxides as acidic, basic, or amphoteric.

Short Answer

Expert verified
The oxides are: Lithium Oxide (Li_2O)- Basic, Beryllium Oxide (BeO)- Amphoteric, Boron Trioxide (B_2O_3)- Acidic, Carbon Dioxide (CO_2)- Acidic, Nitrogen Dioxide (NO_2)- Acidic.

Step by step solution

01

Determine the Oxides

Oxides are compounds that contain oxygen atoms combined with atoms of other elements. The second period elements from Lithium to Nitrogen form the following oxides:- Lithium (Li) with oxidation number +1 forms Lithium Oxide: \( Li_2O \) - Beryllium (Be) with oxidation number +2 forms Beryllium Oxide: \( BeO \)- Boron (B) with oxidation number +3 forms Boron Trioxide: \( B_2O_3 \)- Carbon (C) in it's allotropic form of graphite with oxidation number +4 forms Carbon Dioxide: \( CO_2 \)- Nitrogen (N) with oxidation number +4 forms Nitrogen Dioxide: \( NO_2 \).
02

Classify as Acidic, Basic, or Amphoteric

Acidic oxides, generally non-metals, react with water to form an acid. Basic oxides, on the other hand, are usually metals and react with water to form a base. Amphoteric oxides can behave as both acidic and basic oxides.- Lithium Oxide: \( Li_2O \) is a basic oxide because it reacts with water to give lithium hydroxide, a base.- Beryllium Oxide: \( BeO \) is amphoteric, meaning it can behave as both an acid and a base.- Boron Trioxide: \( B_2O_3 \) is acidic because it reacts with water to form boric acid.- Carbon Dioxide: \( CO_2 \) is an acidic oxide since it reacts with water to form carbonic acid.- Nitrogen Dioxide: \( NO_2 \) is also an acidic oxide as it reacts with water to form nitric acid.
03

Summary

This exercise involves determining the oxides of second period elements such as Lithium, Beryllium, Boron, Carbon, and Nitrogen. Further, it requires understanding the properties of these oxides concerning whether they are acidic, basic, or amphoteric in nature.

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Most popular questions from this chapter

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