Question

The ratio of hydrogen to oxygen atoms, in a water molecule is:

• A. 1 : 2
• B. 2 : 4
• C. 1 : 3
• D. 2 : 1

Answer 1

The correct option is D 2 : 1

The molecule of water is represented as $H_{2}O$. As we can see, the number of hydrogen atoms present in the molecule is 2 and number of oxygen atom present is 1. So, the required ratio is 2 : 1