Correct Answer: Benzophenone

Solution : The correct option is Benzophenone .

Benzophenone is a naturally occurring organic compound with the chemical formula (C ₆ H ₅ ) ₂ CO. It is a white, crystalline solid that belongs to the class of aromatic ketones. The molecule consists of two phenyl groups (C ₆ H ₅ ) attached to a carbonyl group (C=O), which is the defining feature of a ketone. Benzophenone is widely used in the chemical industry as a building block for the synthesis of various organic compounds. It's often employed as a photoinitiator in the production of plastics and as a UV absorber in sunscreens and other cosmetic products.