A) reduce the silver bromide grains to metallic silver
B) convert the metallic silver to silver salt
C) remove un decomposed \[AgBr\] as soluble silver thiosulphate complex
D) remove reduced silver
Correct Answer: C
Solution :
\[2N{{a}_{2}}{{S}_{2}}{{O}_{3}}+\underset{\text{Unexposed}}{\mathop{AgBr}}\,\xrightarrow{\,}\]\[N{{a}_{3}}Ag{{({{S}_{2}}{{O}_{3}})}_{2}}+NaBr\] The property is used for fixing in photography.You need to login to perform this action.
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