Question

Choose the incorrect statement(s) regarding ozone from the options given below.

• A. Ozone is colourless.
• B. Chemical formula of ozone is ${\text{O}}_2$.
• C. Ozone is found in stratosphere.
• D. Ozone blocks harmful U.V rays from sun.

Answer 1

Answer: (A), (B)

The correct options are
A Ozone is colourless.
B Chemical formula of ozone is ${\text{O}}_2$.

Ozone is a light bluish gas found in the upper layer of the atmosphere (stratosphere). It prevents harmful ultraviolet rays coming from the sun to reach the earth. It is a triatomic molecule having chemical formula ${\text{O}}_3$.