Which reducing agent works only in areas of light exposure?
A)phenidone
B)hydroquinone
C)sodium carbonate
D)potassium bromide

Question

Quizplus · Accepted Answer

Phenidone is a reducing agent that works only in areas of light exposure. It is commonly used as a developing agent in photography. Hydroquinone, sodium carbonate, and potassium bromide are all reducing agents, but they do not have the property of working only in areas of light exposure.

Which Reducing Agent Works Only in Areas of Light Exposure