Hydrogen And Its Compounds Question 59

Question: Which of the following is not true

Options:

A) Ordinary water is electrolysed more rapidly than $ D_2O $

B) Reaction between $ H_2 $ and $ Cl_2 $ is much faster than $ D_2 $ and $ Cl_2 $

C) $ D_2O $ freezes at lower temperature than $ H_2O $

D) Bond dissociation energy for $ D_2 $ is greater than $ H_2 $

Show Answer

Answer:

Correct Answer: C

Solution:

$ D_2O $ actually has higher freezing point (3.8°C) than water $ H_2O $ (0°C).