Sodium when burnt in excess of oxygen gives sodium oxide. True or False

Explanation

To determine whether the statement "Sodium when burnt in excess of oxygen gives sodium oxide" is true or false, we can follow these steps:

### Step 1: Understand the Reaction of Sodium with Oxygen
Sodium is an alkali metal that reacts with oxygen. When sodium is burned in the presence of oxygen, it can form different types of oxides depending on the conditions.

**Hint:** Consider the types of oxides formed by alkali metals when they react with oxygen.

### Step 2: Identify the Products of Sodium Combustion
When sodium reacts with oxygen, it can form:
- Sodium oxide (Na2O)
- Sodium peroxide (Na2O2)
- Sodium superoxide (NaO2)

The specific product formed depends on the amount of oxygen available during the reaction.

**Hint:** Recall that the presence of excess oxygen can lead to the formation of peroxides or superoxides.

### Step 3: Analyze the Given Statement
The statement claims that sodium, when burnt in excess of oxygen, produces sodium oxide (Na2O). However, in the presence of excess oxygen, sodium typically forms sodium peroxide (Na2O2) instead of sodium oxide.

**Hint:** Think about what happens when sodium is burned in different amounts of oxygen.

### Step 4: Conclusion
Since sodium reacts with excess oxygen to form sodium peroxide (Na2O2) and not sodium oxide (Na2O), the statement is **false**.

**Final Answer:** False