During developing of an exposed camera film

CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

During developing of an exposed camera film, one step involves in the following reaction, HO (Hydroquinol) OH+2AgBr+2OH−⟶O=C6H4=O+2Ag+2H2O+2Br−\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: (1) It acts as an acid (2) It act as reducing agent (3) It acts as oxidant (4) It act as a base

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