Hydrogen And Its Compounds Question 255

Question: Which of the following is not true-

Options:

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

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

C) Ordinary water gets electrolysed more rapidly than $ D_2O $

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

Show Answer

Answer:

Correct Answer: A

Solution:

[a] $ D_2O $ actually has higher freezing point $ ( 3.8{}^\circ C ) $ than water $ H_2O( 0{}^\circ C ) $