Chemistry

Problem

During developing of an exposed camera film, one step involves in the following reaction,

\text{HO (Hydroquinol) OH} + 2\text{AgBr} + 2\text{OH}^- \longrightarrow \text{O} = \text{C}_6\text{H}_4 = \text{O} + 2\text{Ag} + 2\text{H}_2\text{O} + 2\text{Br}^-

which of the following best describes the role of hydroquinol: a. It acts as an acid b. It act as reducing agent c. It acts as oxidant d. It act as a base

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