Question

Which of the following options is correct regarding heavy water?

• A. The freezing point of heavy water is $0^{\circ }\text{C}$.
• B. The boiling point of heavy water is ${50}^{\circ }\text{C}$.
• C. Its chemical formula is ${\text{D}}_2\text{O}$.
• D. Its molecule contains 2 atoms of oxygen.

Answer 1

The correct option is C Its chemical formula is ${\text{D}}_2\text{O}$.

• The chemical formula of heavy water is ${\text{D}}_2\text{O}$.
• It is made up of two atoms of deuterium and one atom of oxygen.
• Its boiling point is ${101.42}^{\circ }\text{C}$ and freezing point is ${3.82}^{\circ }\text{C}$.