Heavy water () freezes at a different temperature compared to ordinary water (). What is the approximate freezing point of pure heavy water at standard atmospheric pressure?

Question

Heavy water ($D_2O$) freezes at a different temperature compared to ordinary water ($H_2O$). What is the approximate freezing point of pure heavy water at standard atmospheric pressure?

Prashant Kotian · Accepted Answer

Correct answer: B. Heavy water () freezes at (or ), which is higher than the freezing point of ordinary water (). This is due to the stronger intermolecular forces and higher mass of the deuterium isotope.

💡 Solution & Explanation

Practice 22,000+ questions like this