Single Answer MCQ
Q-00004433

What is the correct balanced equation for burning magnesium in oxygen?

1

2Mg + O2 → 2MgO

2

Mg + O2 → MgO

3

4Mg + O2 → 2MgO

4

Mg + 2O2 → MgO

Answer and Solution

Answer

A. 2Mg + O2 → 2MgO

Solution:

The balanced equation is 2Mg + O2 → 2MgO. This ensures equal numbers of magnesium and oxygen atoms on both sides.

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