MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenProperties of Water
Assertion (A): The crystalline form of water is ice. Reason (R): At atmospheric pressure ice crystallizes in the hexagonal form but at very low temperature it condenses to the cubic form.
A.Both A and R correct; R is the correct explanation of✓ Correct
B.Both A and R are correct; R is not the correct
C.A is correct; R is incorrect
D.R is correct; A is incorrect
Explanation
The crystalline form of water is ice. At atmospheric pressure ice crystallizes the hexagonal form, but at very low temperature it condenses to the cubic form.