Hydrogen Peroxide

Step 1: Understanding the Concept:
Hydrogen peroxide has a non-planar "open book" structure.

Step 2: Detailed Explanation:
(A) True: H O can be both oxidised and reduced.
(B) False: The two OH bonds are not in the same plane; H O has a dihedral angle of about .
(C) True: Pure H O is a pale blue liquid.
(D) True: Ozone oxidises H O to O .

Step 3: Final Answer:
Two OH bonds lie in the same plane is false.