Question
Hydrogen react to form most common two types of hydrides.Name them and give example of each reaction in which the hydride is formed.
Answers
GPT-4o mini
Hydrogen can react to form two common types of hydrides: **ionic hydrides** and **covalent hydrides**.
### 1. Ionic Hydrides
Ionic hydrides are typically formed with alkali metals and alkaline earth metals. In these hydrides, hydrogen acts as an anion (H⁻).
**Example Reaction:**
When lithium reacts with hydrogen, lithium hydride (LiH) is formed:
\[
2 \text{Li} (s) + \text{H}_2 (g) \rightarrow 2 \text{LiH} (s)
\]
### 2. Covalent Hydrides
Covalent hydrides are typically formed with nonmetals, where hydrogen shares electrons with the other element.
**Example Reaction:**
When hydrogen reacts with oxygen, water (H₂O) is formed, which can be considered a covalent hydride where the bonding involves shared electrons:
\[
2 \text{H}_2 (g) + \text{O}_2 (g) \rightarrow 2 \text{H}_2\text{O} (l)
\]
These reactions illustrate the formation of both ionic and covalent hydrides through different types of elements reacting with hydrogen.
### 1. Ionic Hydrides
Ionic hydrides are typically formed with alkali metals and alkaline earth metals. In these hydrides, hydrogen acts as an anion (H⁻).
**Example Reaction:**
When lithium reacts with hydrogen, lithium hydride (LiH) is formed:
\[
2 \text{Li} (s) + \text{H}_2 (g) \rightarrow 2 \text{LiH} (s)
\]
### 2. Covalent Hydrides
Covalent hydrides are typically formed with nonmetals, where hydrogen shares electrons with the other element.
**Example Reaction:**
When hydrogen reacts with oxygen, water (H₂O) is formed, which can be considered a covalent hydride where the bonding involves shared electrons:
\[
2 \text{H}_2 (g) + \text{O}_2 (g) \rightarrow 2 \text{H}_2\text{O} (l)
\]
These reactions illustrate the formation of both ionic and covalent hydrides through different types of elements reacting with hydrogen.