A) a weak acid
B) a weak base
C) a mild reducing agent
D) an oxidizing agent
Correct Answer: C
Solution :
A developer is a mild reducing agent. Ferrous oxalate, an alkaline solution of quinol, metal or amidol are some common developers. A developer in photography reduces the AgBr to Ag as \[AgBr+developer\xrightarrow[{}]{{}}\underset{\text{oxidised developer}}{\mathop{Ag+HBr+}}\,\]
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